Complex sentence: His father, Dr. C.S. (Todd) Andrews fought in the War of Independence and became a founder-member of Fianna Fáil, while his mother, Mary Coyle, was a member of Cumann na mBan.
Split into simpler sentences: His father, Dr. C.S. (Todd) Andrews fought in the War of Independence and became a founder-member of Fianna Fáil. Andrews' mother, Mary Coyle, was a member of Cumann na mBan.