Gilbert married Agnes STEWART in 1601.12 (Agnes STEWART was born about 1579 of Kelspoke, , SCT.)
Sources
1
Jebavy, Sharon Young, Knockdow, Scotland Lamont Ancestors of One Young Family in America (http://www.geocities.com/charryoung/ancient.html sourcing the 58 books of James Kimble Jr., a long-time Young researcher, b. 1898; Jessamine from the Margaret I. King LIbrary, University of Kentucky; Robert Atkinson manuscript, and her brother, Harold S. Young, Ph.D.)
2I.G.I. Files, British Isles, c 2003+ (LDS # 1042161).
3Lamont Family DNA Study (http://www.lamont-young.com/).