Lambartus Roelofs 1833–1902 | | |
| | Christian Hendriks Petrus ‘Han’ Bosma 1890–1969 | | |
Jeanette Hendrika Jacoba Bosma 1893– | | |
Maria Dorothea Bosma 1901– | | |
| | Hendrik Koop Bosma 1864–1918 Petronella Maria Johanna Stachelhausen 1866–1922 | | |
| | Hendrika Johanna Roelofs 1834–1877 Andries Hendriks Bosma 1824–1886 | | |
| | Aleida Henrica Bruggink 1802–1864 Gerrit Jan Roelofs 1802–1873 | | |