diff --git a/src/main/java/envoy/server/data/GroupMessage.java b/src/main/java/envoy/server/data/GroupMessage.java
new file mode 100644
index 0000000..0d1e2bc
--- /dev/null
+++ b/src/main/java/envoy/server/data/GroupMessage.java
@@ -0,0 +1,221 @@
+package envoy.server.data;
+
+import java.util.Date;
+import java.util.Map;
+
+import javax.persistence.CascadeType;
+import javax.persistence.ElementCollection;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.ManyToOne;
+import javax.persistence.Table;
+import javax.persistence.Temporal;
+import javax.persistence.TemporalType;
+
+/**
+ * Project: <strong>envoy-server-standalone</strong><br>
+ * File: <strong>GroupMessage.java</strong><br>
+ * Created: <strong>18.04.2020</strong><br>
+ * 
+ * @author Maximilian K&auml;fer
+ * @since Envoy Server Standalone v0.1-beta
+ */
+
+@Entity
+@Table(name = "groupMessages")
+// @NamedQuery()
+// TODO Add Queries
+public class GroupMessage {
+
+	@Id
+	private long id;
+
+	@ManyToOne(cascade = CascadeType.PERSIST)
+	private User sender;
+
+	@ManyToOne(cascade = CascadeType.PERSIST)
+	private Group group;
+
+	@Temporal(TemporalType.TIMESTAMP)
+	private Date creationDate;
+
+	@Temporal(TemporalType.TIMESTAMP)
+	private Date receivedDate;
+
+	@Temporal(TemporalType.TIMESTAMP)
+	private Date readDate;
+
+	@ElementCollection
+	private Map<Long, envoy.data.Message.MessageStatus> memberMessageStatus;
+
+	private String								text;
+	private envoy.data.Message.MessageStatus	status;
+	private byte[]								attachment;
+	private boolean								forwarded;
+
+	/**
+	 * The constructor for a database object.
+	 *
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public GroupMessage() {}
+
+	/**
+	 * Constructs a database groupMessage from a common groupMessage.
+	 *
+	 * @param groupMessage the {@link envoy.data.GroupMessage} to convert into a
+	 *                     database {@link GroupMessage}
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public GroupMessage(envoy.data.GroupMessage groupMessage) {
+		PersistenceManager persistenceManager = PersistenceManager.getInstance();
+		id					= groupMessage.getID();
+		status				= groupMessage.getStatus();
+		text				= groupMessage.getText();
+		creationDate		= groupMessage.getCreationDate();
+		receivedDate		= groupMessage.getReceivedDate();
+		readDate			= groupMessage.getReadDate();
+		sender				= persistenceManager.getUserByID(groupMessage.getSenderID());
+		group				= persistenceManager.getGroupByID(groupMessage.getRecipientID());
+		forwarded			= groupMessage.isForwarded();
+		memberMessageStatus	= groupMessage.getMemberStatuses();
+		// TODO: attachment = groupMessage.getAttachment().toByteArray();DOES NOT WORK
+		// YET
+	}
+
+	// TODO Implement GroupMessageBuilder and add toCommonGroupMessage method here
+
+	/**
+	 * @return the id
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public long getId() { return id; }
+
+	/**
+	 * @param id the id to set
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public void setId(long id) { this.id = id; }
+
+	/**
+	 * @return the sender
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public User getSender() { return sender; }
+
+	/**
+	 * @param sender the sender to set
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public void setSender(User sender) { this.sender = sender; }
+
+	/**
+	 * @return the group
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public Group getGroup() { return group; }
+
+	/**
+	 * @param group the group to set
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public void setGroup(Group group) { this.group = group; }
+
+	/**
+	 * @return the creationDate
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public Date getCreationDate() { return creationDate; }
+
+	/**
+	 * @param creationDate the creationDate to set
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public void setCreationDate(Date creationDate) { this.creationDate = creationDate; }
+
+	/**
+	 * @return the receivedDate
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public Date getReceivedDate() { return receivedDate; }
+
+	/**
+	 * @param receivedDate the receivedDate to set
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public void setReceivedDate(Date receivedDate) { this.receivedDate = receivedDate; }
+
+	/**
+	 * @return the readDate
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public Date getReadDate() { return readDate; }
+
+	/**
+	 * @param readDate the readDate to set
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public void setReadDate(Date readDate) { this.readDate = readDate; }
+
+	/**
+	 * @return the memberMessageStatus
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public Map<Long, envoy.data.Message.MessageStatus> getMemberMessageStatus() { return memberMessageStatus; }
+
+	/**
+	 * @param memberMessageStatus the memberMessageStatus to set
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public void setMemberMessageStatus(Map<Long, envoy.data.Message.MessageStatus> memberMessageStatus) {
+		this.memberMessageStatus = memberMessageStatus;
+	}
+
+	/**
+	 * @return the text
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public String getText() { return text; }
+
+	/**
+	 * @param text the text to set
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public void setText(String text) { this.text = text; }
+
+	/**
+	 * @return the status
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public envoy.data.Message.MessageStatus getStatus() { return status; }
+
+	/**
+	 * @param status the status to set
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public void setStatus(envoy.data.Message.MessageStatus status) { this.status = status; }
+
+	/**
+	 * @return the attachment
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public byte[] getAttachment() { return attachment; }
+
+	/**
+	 * @param attachment the attachment to set
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public void setAttachment(byte[] attachment) { this.attachment = attachment; }
+
+	/**
+	 * @return the forwarded
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public boolean isForwarded() { return forwarded; }
+
+	/**
+	 * @param forwarded the forwarded to set
+	 * @since Envoy Server Standalone v0.1-beta
+	 */
+	public void setForwarded(boolean forwarded) { this.forwarded = forwarded; }
+}