A cruel joke

Joke: There was four son's the oldest three had bright hair and bright eyes. The youngest son had dark hat and dark eyes. The father was on his death bed he asked his wife,"tell me the truth, is the youngest sun truly ours?" The wife responds with a simple yes and the husband dies.

Joke: Knock knock!
Who's there?
Theresa!
Theresa who?
Theresa courier for you!

Joke: Knock knock!
Who's there?
Al!
Al who?
Al give you a hug if you open the door!

Joke: Why did 1/5 go to the masseuse?

Joke: Why didn't the baby oyster share its pearl?

Joke: What kind of computer sings best?