Patrick, Earl of Orkney, makes answer to complaint of William Sinclair, fiar [heir apparent] of Ethay, as follows, in September 1604: -
In June 1605, Edward Sinclair of Ethay got letters against the Earl of Orkney that he should be put to liberty. He had issue:
On the 13th June 1600, he obtained caution from Archibald Logan of Coltfield; and in June 1605, got letters against Patrick, Earl of Orkney, for oppression; and again on 6th September same got the latter put under caution of 5,000 merks not to harm him, Ethay, Janet Halcro his spouse, nor Aliesonn and Elspeth Sinclars his daughters. On the 11th July 1606, caution was taken that Oliver Sinclair, brother of William Sinclair, fiar [heir apparent] of Ethay, shall not harm his father, Edward Sinclair. The Earl of Orkney inhibits Sinclair of Eday, 10th June 1611; whom Sir John Arnot also inhibits on the 14th June; while on 26th November Earl Patrick makes process against William Sinclair of Ethay; and on the same day David Heart pursues Oliver Sinclair, his brother. On 30th May 1615, this William Sinclair of Ethay has a suit against William Sinclair of Warsetter; and on 12th June of the same he inhibits the latter. On 25th November 1612, Ethay sues Thomas Sinclair in Lopness, Sanday. In 1616 he and Jonet Halcro his spouse are mentioned; and on 10th April 1622, William Sinclair of Ethay, with his brother Gilbert and his [William's] son Gilbert. On 18th July 1623, Robert Elphingston of Hammigar makes cause against William Sinclair of Ethay and Jonet Halcrow his spouse; while on the 28th July William Sinclair of Warsetter sues William Sinclair of Ethay and John Sinclair his brother, etc. From this time he ceases to be enumerated as a gentleman suitor of the Earldom Court, nor are there any more notices of Sinclairs as of Ethay. He was married to Janet Halcro, and had issue: