She was born in Rotterdam as the daughter of Arnold Carl Theodor Baumeister and Geertruda Elisabeth Dielissen. In 1936-37 she worked as swimming pool attendant on the cruise ship Statendam and in October 1938 she married Johannes Hoftijzer, who was an engineer on the same ship.Burgerlijke stand - Gehuwd in Nieuwe Schiedamsche Courant, 22 October 1938Marriage registry in Rotterdam She emigrated with the name "Gertrude Hoftyzer" to the United States in December 1946, where she joined her husband who had taken residence on 78th Street in Brooklyn, New York, in May of that year.Willemijntje "Willy" den Ouden. A biography, note 4Baumeister aircraft immigration document in "New York, New York Passenger and Crew Lists, 1909, 1925-1957"Hoftijzer immigration document in New York, Northern Arrival Manifests, 1902-1956 Hoftijzer died aged 69 in April 1968 in Rock Hill, New York,Johannes Hoftyzer in the United States Social Security Death Index while Baumeister herself lived to the age of 93, and died on December 25, 2000, in Brooklyn.Gertrude Hoftyzer in the United States Social Security Death Index
