To embed Facebook content, there are two different embed codes possible. One for videos and one for any other content.
Embedding videos
[fbvideo url=“https://www.facebook.com/facebook/videos/10153231379946729/"]
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How to Share With Just Friends

How to share with just friends.

Posted by Facebook on Friday, December 5, 2014
Embedding posts, photos and other content
[fbpost url="https://www.facebook.com/20531316728/posts/10154009990506729/"]
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Posted by Facebook onThursday, August 27, 2015