Reintje Tietes van der Schaar
- Born: 1761, Doezum Griitegast Groninigen Netherlands
- Christened: 21 Jun 1761, Doezum Griitegast Groninigen Netherlands
- Marriage: Ei(j)se Johannes Sloterdijk 27 Apr 1788, Doezum Griitegast Groninigen Netherlands
- Died: 19 Nov 1845, Gerkesklooster Achtkarspelen Friesland Netherlands at age 84
 Other names for Reintje were Reintje Tiets and van der Scheer.
Reintje married Ei(j)se Johannes Sloterdijk, son of Johannes Eizes Sloterdijk and Seeske Jans, on 27 Apr 1788 in Doezum Griitegast Groninigen Netherlands. (Ei(j)se Johannes Sloterdijk was born on 1 Sep 1765 in Eastermar (Oostermeer) Tietjerksteradeel Friesland Netherlands and died on 27 Apr 1844 in Eastermar (Oostermeer) Tietjerksteradeel Friesland Netherlands.)
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