Complex sentence: Sir Gilbert's baronetcy was created in about 1632, his son John inherited the title, and his son Gilbert inherited it from him, Edward the fourth to hold the title died without issue 3 July 1749, at which time the title became extinct.
Split into simpler sentences: Sir Gilbert's baronetcy was created in about 1632, his son John inherited the title, and his son Gilbert inherited it from him. Edward, the fourth to hold the title, died without issue 3 July 1749, at which time the title became extinct.