Sentence 1: He was born the posthumous child of Sir Henry Thrale , 1st Baronet ; his mother was the sister of the brewer John Lade .
Sentence 2: He was the posthumous child of Sir Henry Thrale , 1st Baronet , his mother was the sister of the brewer John Lade .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?