- 1). Go to the "Account" link in the top right corner of your Facebook screen.
- 2). Click on "Privacy Settings" in the drop-down menu.
- 3). Click on the "Customize settings" link at the bottom of the "Sharing on Facebook" group.
- 4). Click on the gray lock next to "Family" in the "Things I Share" group. Select "Friends Only" to hide your sibling relationship from anyone not on your friend list. To hide the relationship from all other people, including friends, select "Customize." Choose "Only Me" in the "Make this visible to" menu and then click "Save Setting."
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