1)- as stated, Matty was a man - so it wasn't his fault.

2)- Lady Donald - who can blame her? Lord Donald's off with his men-at arms and/or a flock of sheep (depends on the version) but where-ever he is he isn't home in bed with her.

3) - Lord Donald - hey, he was practicing his right to trial as lord of the land - couldn't be his fault

4) - it was the snively little page. If he'd kept his yap shut, Lady Donald could have presented Lord Donald with a whole string of children who looked nothing like him and everyone would have been happy.