Hugh Craufurd of Kilbirnie was born 1518 to Lawrence Craufurd of Kilbirnie (c1500-1547) and Helen Campbell (c1500-) and died 1576 of unspecified causes. He married Margaret Colquhoun (c1530-) . He married Elizabeth Barclay (c1530-) .
http://www.thepeerage.com/p32646.htm#i326458, citing "George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume II, page 350"
http://www.thepeerage.com/p46746.htm#i467458, citing Peerage and Baronetage, 28th ed, for son William (no spouse or children for him, or any dates for him or his mother, shown by April 2011)
Ω Birth
Departing from older sources because he was the heir and therefore the first surviving son, while his brother, the celebrated Thomas of Jordanhill, was described as the 6th son born in 1527. "1518" may be too early.