possible match: [1]--henk 08:38, 24 March 2013 (EDT)
I think that's actually this Lubbert. Other sources make it clear that there were 5 brothers travelling together (and at least the first 3 really were brothers): John, Willem, Lubbert, Jan, and Jan. --Pkeegstra 19:49, 29 March 2013 (EDT)
