He is married to Anna Louisa Reints Bok.
They got married on March 3, 1892 at Wiesbaden, Duitsland, he was 24 years old.Source 2
Beroep bij huwelijk (1892): koopman.
Jan Hermannus Lieftinck | ||||||||||||||||||
1892 | ||||||||||||||||||
Anna Louisa Reints Bok |
"Netherlands, Noord-Holland, Civil Registration, 1811-1950," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QLW7-CPWB : 22 December 2017), Willemina Christina Kirberger in entry for Jan, 14 Dec 1867; citing Birth Registration, Amsterdam, Noord-Holland, Nederland, Noord-Hollands Archief (Noord-Hollands Archives), Haarlem; FHL microfilm 253,425.
Noord-Hollands Archief, BS Huwelijk Amsterdam, 26 oktober 1892, aktenummer Reg.27 fol. 33.