they where:
They were different people, they wrote in different styles and periods (Mozart classical and Beethoven romantic), Beethoven wrote far less pieces, but fierce ones, and Mozart was like a music-machine, making powerful statements. Your final answer; they are completely different.
Bethoven did not have a wife or children
Bethoven is a Saint Bernard
bethoven
No.
Maria Anna Mozart is Wolfgang Amadeus Mozart's mother.
He's a dog
bethoven's 5th
bethoven
No, Beethoven never married.
Mozart's sister Nannerl played exactly the same instruments Mozart's father Leopold taught: harpsichord, piano, and violin.
Mozart died in 1791, so the answer is "no."