Jan Albert Holmer, born in Zutphen on May 8, 1868.

Jan was married to
Alberta Hummelman, born in Gorssel on June 4, 1865.

• 1 : Johanna Holmer, born in Warnsveld on July 5, 1897, died there on November 18, 1981, buried there on November 21, 1981, aged 84 years.
  Johanna was married in Zutphen on September 19, 1924, at the age of 27 (1) to Hermanus Roskam (aged 28 years), born in Zutphen on January 29, 1896, died there on September 19, 1924, aged 28 years.
  Johanna was married in Zutphen on October 11, 1950, at the age of 53 (2) to Klaas Tigchelaar (aged 64 years), born in Harlingen on June 21, 1886, son of Anne Tigchelaar (workman, municipal worker and municipal worker) and Taetske de Vries (maid servant), carpenter's man and carpenter, died in Warnsveld on January 1, 1966, buried there on January 5, 1966, aged 79 years.
  Klaas was married before in Harlingen on January 14, 1909, at the age of 22 to Jeltje Hornstra (aged 19 years), born in Nijehaske on August 31, 1889, daughter of Hendrik Hornstra (merchant) and Ymkjen Sietzema, died on July 9, 1916, aged 26 years. Klaas was married before in Kwadijk on May 6, 1917, at the age of 30 to Neeltje Kriek (aged 32 years), born in Sint Pancras on November 10, 1884, died in Warnsveld on March 1, 1947, buried there on March 5, 1947, aged 62 years. Neeltje was widow of N.N..