He is married to Sjoerdtje Piers (Sioerdtje Sioertie) Rinckema.
They were married in church in the year 1640 at Oostermeer, Tietjerksteradeel, Friesland.
Child(ren):
https://familysearch.org/ark:/61903/2:1:MZWW-4MC
Meyert Eerckesz Haersma; woont te Oostermeer op "de familiezate", stem nr. 1 (eigenaar 1640, well. ook van 12 deels en Garijp 26 deels), dorprechter ald. (1653), overl. 1656/59, tr. Sjoerdtje Piers Rinckema, v Oldetrijne; Gen. Jierb. 1985 70; HvF WW40 1085; ki.: Saepke; Eercke (Ericus), geb. 1647; cur.: Meyert Binnerts Haersma (1659), Meyert Beetzius (1663).
The data shown has no sources.