Different sources give different dates of death for Hector Munro. The Martine MS written by George Martine in the late 17th century gives the date as 1549. However contemporary records, the Munro Writs of Foulis give the date as 8 March 1541. Hector died at Culrain in the parish of Kincardine and his remains were interred in the ancestral burying ground in the Chanonry of Ross. Hector Munro, 13th Baron married firstly Catherine, daughter of Sir Kenneth Mackenzie, 7th of Kintail, chief of the Clan Mackenzie. They had two sons:  Hector Munro married secondly Catherine, daughter of John Macleod of Lewis, chief of the Clan MacLeod of Lewis but without issue. However, Hector Munro, 13th Baron of Foulis is known to have had three illegitimate sons from whom several large Munro families are descended and had land granted to them in Rosshire.