Johann Oltken (son of Gerd Oltken and Frau Gesche) was born 1580 in Hallerstede, Bad Zwischenahn, Oldenburg, Germany, and died 16 May 1631 in Bad Zwischenahn, Oldenburg, Germany. He married Almuth Zur Brugge.
Children of Johann Oltken and Almuth Zur Brugge are:
+Gerdt Oltken, b. 19 Oct 1614, Halfstede, Bad Zwischenahn, Oldenburg, Germany, d. 10 Oct 1696, Bad Zwischenahn, Oldenburg, Germany.
Brun Oltken, b. 21 May 1626, Halfstede, Bad Zwischenahn, Oldenburg, Germany, d. 1712, Aschhausen, Bad Zwischenahn.
Johann Oltken, b. Oct 1617, Halfstede, Bad Zwischenahn, Oldenburg, Germany, d. date unknown.
Eilerd Oltken, b. 1620, Halfstede, Bad Zwischenahn, Oldenburg, Germany, d. date unknown.
Oltmann Oltken, b. 1622, Halfstede, Bad Zwischenahn, Oldenburg, Germany, d. 1692.