Fernando Joseph da Costa (1683–1753), alias Joseph Curiel, was a member of a wealthy family of merchants in London of Portuguese-Jewish origins, and the son of Alvaro Jacob da Costa, sometimes considered the founder of the Anglo-Sephardi community in London.
[3] Their daughter Catherine (Kitty) (1709-1746), married Joseph (Isaac) da Costa Villareal who died three years later.
She then married William Mellish, member of Parliament for East Retford but was sued for breach of promise by her cousin Jacob (Philip) Mendes da Costa.
[3] Their son (Anthony) Moses da Costa (1712-80) was elected a fellow of The Royal Society.
[2] In 1716, da Costa inherited a house in Budge Row, London, on the death of his father.