Sibbele Nijdam, born circa 1849 (?), bargeman, died before April 8, 1914, aged at most 65 years.

Sibbele was married to
Susanna Boon, born circa 1853 (?), died before April 8, 1914, aged at most 61 years.

• 1 : Pietje Nijdam, born in Lemmer on November 24, 1876, died in Amsterdam on November 18, 1955, aged 78 years.
  Pietje was married in Amsterdam on April 8, 1914, at the age of 37 to Tjerk Tichelaar (aged 28 years), born in Harlingen on June 12, 1885, son of Gerrit Tjerks Tichelaar (worker, workman, barge hand and dock hand) and Hinke de Wit (maid servant), bargeman, coal worker and casual labourer, died in Amsterdam on August 10, 1957, aged 72 years.