Son of Robert Trimble (Justice of US Supreme Court) & Nancy P. Timberlake. Married (1837) Nancy S. Wyatt (daughter of Micajah Wyatt & Lina (Caroline) Wing). Father of 4 children: Juliet E. ( Whitley F. McNeal); Robert William; Caroline Henry (Archibald E. Wyatt); & Nancy Arnold Timberlake (Martin Luther Lee).