Cornelis Verkerk, born circa 1848, fisherman and workman.

Cornelis was married to
Johanna Lagendijk, born circa 1857.

• 1 : Clasina Verkerk, born in Oudewater on October 11, 1896, died in Rotterdam on May 10, 1984, aged 87 years.
  Clasina was married in Oudewater on September 30, 1915, at the age of 18 to Gerrit Tigchelaar (aged 23 years), born in Midlum on July 22, 1892, son of Wopke Gerrits Tigchelaar (worker, caual labourer and workman) and Aafke Plekker (maid servant), ironworker, navvy and miner, died in Rotterdam on March 4, 1945, aged 52 years.