(1) He is married to Froukje Alberts.
They got married on August 14, 1803 at Drogeham, gem. Achtkarspelen (Fr), he was 30 years old.Source 3
(2) He is married to Aaltje Jans van Wijk.
They got married on July 11, 1819 at Lemsterland (Fr), he was 46 years old.Source 4
Bron: http://www2.tresoar.nl
Geert Sienes uit Kooten kiest in 1811 de familienaam Lemstra voor zichzelf.