PERSON@1 , -LRB- born NUMBER@1 September NUMBER@2 -RRB- is an MISC@1 drummer , well-known as the first child of The Beatles drummer PERSON@2 -LRB- PERSON@3 -RRB- and his first wife PERSON@4 .

PERSON@1 -LRB- born September NUMBER@1 , NUMBER@2 -RRB- is the son of Beatles drummer PERSON@2 .
