The names have been mentioned before, but just to make it absolutely certain:
(LDS-film 1357958 Marriage registers Passuruan 1914, entry nr. 7, frame 272/272)
22 April 1914. Lambertus Elfrink, born Deventer, province of Overijssel (The Netherlands), age 28 years, chemical engineer, living in Modjokerto, residence of Surabaya, legitimate son of Hendrik Elfrink, merchant, and Elizabeth Bertha ter Keurst, both living in Deventer; to Henriette Ottorine Morbeck, born Passuruan, age 21 years, living there, legitimate daughter of Henri Morbeck, age 47 years, hotelier, and Johanna Maria Elisabeth Leijder, both living in Passuruan. Both parties hand over duly signed and authenticated birth certificates, so (to quote a Meat Loaf song): "There ain't no doubt about it..."..
[the original entry is of course in Dutch].