Jokes about Families - Sister Jokes

Shagging Twins

My friend told me he was shagging his girlfriend's twin.
I said: "You lucky thing! But how do you tell them apart?"
"Oh that's easy," he said, "Her brother has a mustache."

Anonymous

After I Die

A husband asks his wife, "Will you marry after I die?" The wife responds, "No, I will live with my sister." The wife asks him back, "Will you marry after I die?" The husband responds, "No, I will also live with your sister."

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Anonymous

Competition

There's an incest competition in my town this weekend.
I'm going to enter my sister.

Anonymous