What string instruments did Beethoven own?

Beethoven is known to have owned several string instruments, including a viola and a cello. He often played the viola, which he used in his compositions and chamber music. Additionally, he had a preference for string instruments that suited his musical style, such as the violin, although he primarily composed for the piano and orchestra. Specific details about his exact instruments are less documented, but his affinity for strings is evident in his works.