Mary CLARK had an illeg son John in Sempringham/Pointon in 1825 She married Robert LAMBERT in Irnham in 1832 John CLARK married Sarah SLATER in 1850 A son William H CLARK was born in 1851 (assumed, not proven) In 1861, this son was living with his grandmother (Mary) now Mrs LAMBERT. In 1871 he was still with them, named (by accident or design) LAMBERT. In 1876 WH CLARK married Ann Elizabeth SPEED.