John Williams married Rachel Hern on 13/4/1814. Rachel Died 1835.

Ann Marshall married William Muxworthy who died in 1833

John(Widower) and Ann (Widow) married 1835. Both had children by first marriage.

The next generation (John Williams Born 1831) married a Harriet Quick in 1856. The 1881 Census shows this family residing ar Averys Cottage, Barnstaple - coincidence your surname and name of Cottage!!!!