Calvaart (Calvaerdt, Calvaert, Calwaert, Kalvaart) is a Mennonite family name found in Flanders and Holland. Daniel Calvaer was an Anabaptist martyr. In the 17th century members of this family are found in the Mennonite congregations of Leiden and Haarlem. Both Crijn Pietersz Calvaart and Joost Calvaart were deacons of the church at Leiden about 1675. Adriaen Calvaert, who in the early 17th century was a preacher of the Flemish church at Haarlem, published Vertooninghe ende Verantwoordinge tot dienst van allen onsen Medegenoten des Gelofjs (Haarlem, 1619). The Calvaerts stemmed from Flanders, Belgium.

Adapted by permission of Herald Press, Harrisonburg, Virginia, and Waterloo, Ontario, from Mennonite Encyclopedia, Vol. 1, p. 494; v. 4, p. 1069. All rights reserved. For information on ordering the encyclopedia visit the Herald Press website.

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