� Repro the issue In my CRM Org
� Created the Entity named as Event
� Created N : N relationship between Event and Contact
1. N:N relationship : new_events_contact
2. N:N relationship : new_events_Speaker
3.
� Added Sub grid in the Event form named as Contact attending. Double clicked on Sub grid and in the set properties window under the Data Source you can find two contact entity (which has been created because we have created N :N relationship with Event ) Select the first Contact Entity and set default view as My active contact clicked on set.

� Added another sub grid on the same form (Event) named as Speaker Double clicked on Sub grid and in the set properties
window under the Data Source you can find two contact entity (which has been created because we have created N :N relationship with Event ) Select the second Contact Entity and set default view as My active contact clicked on set.

Also created the Navigation such as Contact attending and speaker in Common Section
4. Clicked on N:N relationship button which is at extreme bottom right corner which opens New relationship window.
5. In Other Entity section select Entity from drop down i.e. Contact
6. In the Relationship Definition: the relationship Entity Name - new_event_contact
7. Clicked on save and close.

Open created Navigation tab under the common and named it as "Contact Attending"

Followed the above steps for creating speaker navigation tab.
Changed the relationship Entity Name new_event_speaker under the relationship Entity Name and clicked on "save and close".
Opened created Navigation tab under "Common" and named it as "Speaker"

Create new record in the event
Open that record and added a record in contact attending sub grid as well as in speaker Sub grid
Clicked on "small box associated view icon" at "contact attending sub grid" that opens contact associated view which shows all the Correct records.
Clicked on "small box associated view icon" at "Speaker sub grid" that opens contact associated view which shows all the in-correct records.

Now once we check the ribbon. (Navigation Bar)
Record ribbon - > select Contact attendees - shows correct records which are available in "Contact Attending" sub grid
Record ribbon - > select Speaker->shows correct records which are available in "Speaker" sub grid