William Fea who was born on 24th April 1772 in Lerwick was a son of Magnus Fea and Margaret Hay. He married Elizabeth Bell in Humbleton, Yorkshire on 19th May 1803. Elizabeth (c. 7th January 1778) was the daughter of John Bell and Frances Brown.

William and Elizabeth had eight children:

• Caroline Fea c. 5th May 1804, Hedon, Yorkshire. Caroline was staying with her widowed sister, Cecilia, in 1871 along with sister Elizabeth. Caroline died in 1884 in Sculcoates.

• William Hay Fea c. 30th March 1806, Sculcoates, Yorkshire. He is thought to have died in Surrey about 1828.

• Frances Brown Fea b. 1st April 1807, Drypool, Yorkshire

• Rebecca Fea

• Elizabeth Bell Fea b. 1812, Plaistow, Essex

• Thomas Fea b. 21st May 1814 in Lambeth, Surrey. Thomas appears in the 1841 census at Sutton, Yorkshire with his brother Hay Sinclair Fea when his occupation was given as merchant's clerk.

• Hay Sinclair Fea c. 11th September 1816 in Lambeth, Surrey. Hay was also a merchant's clerk according to the 1841 census. He died in 1844.

• Cecilia Fea c. 20th September 1818 in Lambeth, Surrey who married her cousin John Brooke Fea.