Final answer:
Henry VIII is the king well known for his weddings and inability to have a son.
Step-by-step explanation:
The king well known for his weddings and inability to have a son is A) Henry VIII. Henry VIII was the King of England from 1509-1547. He famously had multiple marriages and executed two of his wives, Anne Boleyn and Catherine Howard. Despite these marriages, Henry VIII only had one surviving son, Edward VI.