Possibly had 2 other children as Batch #: C077611 records:-
John PEARCE married Elizabeth and had Amellia PEARCE christened 28 Oct 1821
Samuel PEARCE married Hannah and had William PEARCE christened 8 Dec 1822
Caroline Fanny Maud De Winton Officer of the Order of St. John of Jerusalem
Can not find her or her family in the 1881 census
Married his wife's sister soon after the law was changed to allow it
Married his wife's sister soon after the law was changed to allow it