births
Rudolf Christian, Count of East Frisia, Ruler of East Frisia (died 1628)
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Rudolf Christian, Count of East Frisia
Count of East Frisia
Rudolf Christian of Ostfriesland, Count of East Frisia, was count of East Frisia, and the second son of Enno III, Count of East Frisia and Anna of Holstein-Gottorp. During his reign, foreign troops participating in the Thirty Years' War began retreating into and quartering in…Source: Wikipedia (CC BY-SA)