James Sinclair, second of Assery, married first, Elizabeth Balfour; and, second, Margaret, daughter of David Munro, commissary of Caithness. He had several sons and daughters:-
1. George, eldest son of his first marriage.
2. John, in Ulgrimbeg, married Bess Craigie. George and John are named as brothers-german.
3. James, a merchant in Thurso, who died in 1713, and had several sons, of whom Daniel was minister of Longformacus. William was a merchant in Thurso, and Alexander was a notary-public in Thurso, and married Jean, daughter of James Sinclair of Wester-Brims.
1. Katharine, eldest daughter, married Alexander Gibson, Dean of Bower from 1668 to 1682.