Conversation so far:
What are the names of Yoko Ono's parents?
Isoko Ono (Xiao Ye  Ji Zi , Ono Isoko) and Eisuke Ono (Xiao Ye  Ying Fu , Ono Eisuke).
Did Yoko Ono have any siblings?
two.
Her younger brother Keisuke was born in December 1936.

Question: Was Yoko interested in music at a young age?
Self-contained rewrite: Was Yoko Ono interested in music at a young age?