دود الجبن من فيه The maggot is from the cheese itself.

A Syrian proverb from Arabic Proverbs Collected by Mrs. A.P. Singer by Enno Littleman:


دود الجبن من فيه
(dud ilgibna minu feehu)
Literal meaning: The maggot is from the cheese itself.
Meaning: a problem in the family is caused by one of its members.Versions of this proverb are apparently found in Egypt and Morocco. 

اللي يجوز امي اقوله يا عمي The man who marries my mother, I call him uncle.

An Egyptian proverb from wikiquote
 اللي يجوز امي اقوله يا عمي
(ilalee yajuwaz omee aquluhu ya 'amee)
Literal meaning: The man who marries my mother, I call him uncle.
Meaning: If you can't beat them, join them.

روح فاضي وتعا ملان

Syrian proverb from Arabic Proverbs and Proverbial Phrases:


روح فاضي وتعا ملان
(ruh faaDi wa t'ua melan)
Literal meaning: Go out empty and come back full.
Meaning: Said to people who are tightfisted with their family.I think it is equivalent to the English "Charity begins at home"