The first name Jantje is ♀ female and ♂ male.
Jantje is a Dutch diminutive of the name Jan, which derived from the name Johannes. In the Netherlands, Jantje is mostly a boy’s name today, but is given to girls in traditional areas. Besides, it is a Frisian diminutive of Johanna and therefore a girl’s name.
Jantje means “little Jan” or “Yahweh is gracious” (from Hebrew “jô/יֹו” = referring to the Hebrew God + “chanan/חָנַן” = to be gracious/to show favour).