no he is not married, but there are rumours that he is dating!!!
Yes.
Ludwig Von Beethoven was a music composer of the 18th century, and was the grandson of Louis van Beethoven.
Louis Van Amstel was dating a guy for a while, but it seems they have broken up. He tweeted a few months ago that he doesn't have time for relationships for the time being.
Michel van der Aa is 41 years old (birthdate: March 10, 1970).