Theresia de Groot, born circa 1878 (?).

Theresia was married to
Jacobus Schlebaum, born circa 1874 (?).

• 1 : Mathilda Schlebaum, born in Amsterdam on February 15, 1901, housekeeper, died in Amsterdam on April 3, 1986, aged 85 years.
  Mathilda was married in Leeuwarden on March 26, 1932, at the age of 31 (1) to (and divorced in Leeuwarden on November 20, 1951 from) Harmen Tichelaar (aged 41 years), born in Harlingen on June 24, 1890, son of Lodewijk Tichelaar (worker and workman) and Eelkje Geldersma, hide salter and casual labourer, died in Leeuwarden on November 3, 1962, buried in Harlingen, aged 72 years.
  Harmen was married before in Harlingen on September 18, 1913, at the age of 23 to (and divorced in Harlingen on January 22, 1932 from) Sjoukje Smits (aged 20 years), born in Harlingen on January 1, 1893, daughter of Bouwe Smits (barge hand) and Hilligje Jacobs Knol (daily help), died in Franeker on May 10, 1940, aged 47 years. Sjoukje was married afterwards in Harlingen on November 17, 1932, at the age of 39 to Lammert Tichelaar (aged 43 years), born in Harlingen on October 26, 1889, son of Bauke Tichelaar (workman and dock hand) and Fetje van der Geest, casual labourer, died in Harlingen on November 19, 1963, buried there on November 22, 1963, aged 74 years. Harmen was married afterwards in Amsterdam on December 28, 1951, at the age of 61 to N.N..
  Mathilda was married in Amsterdam on August 7, 1958, at the age of 57 (2) to Jacob Theodor Heinrich Muller (aged 75 years), born in Amsterdam on October 20, 1882, died there on September 30, 1967, aged 84 years.