He is married to Marian Mortimer.
They got married
Child(ren):
"Wales, Glamorganshire, Parish Registers, 1538-1912," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KCY1-XZY : 10 February 2018), David Mansell Glasbrook, 23 May 1856, Baptism; from "Parish Records Collection 1538-2005," database and images, findmypast (http://www.findmypast.com : 2012); citing Swansea, St Peter, Glamorganshire, Wales, The National Archives, Kew, Surrey.
West Glamorgan Archive Service; GB 216 D/D SB 15/121
"New York, New York Passenger and Crew Lists, 1909, 1925-1957," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:24XV-CFK : 11 December 2020), David M Glasbrook, 1928; citing Immigration, New York, New York, United States, NARA microfilm publication T715 (Washington, D.C.: National Archives and Records Administration, n.d.).