Hendricus Jacobus Heemskerk 1906–1990 Maria Aleida Anna Wilhelmina Michels 1908–1990 | | |
Gerardus Jacobus Heemskerk 1907–1993 Antje Gerdina Kars 1909–1954 | | |
Agatha Johanna Heemskerk 1909–1989 | | |
Johanna Jacoba Maria Heemskerk 1910–1989 Hermanus Antonius Josephus Wijnen 1910–1991 | | |
Johannes Jacobus Heemskerk 1912–1998 Adriana Antonia Maria ‘Sjaan’ Vloeimans 1911–1999 Engelina Maria Jacoba Landheer 1921– | | |
Catharina Helena Heemskerk 1917–1988 Petrus Hendrikus Johannes Maria van Ingen 1913–1983 | | |
| | Jacobus Heemskerk 1874–1948 Tjetske Spoelstra 1878–1945 | | |
