Original: He was born Johann Ludwig von Krosigk in Rathmannsdorf, Anhalt, Germany to a father from an old noble family of Anhalt and a mother who was a daughter of a Count ("Graf") von Schwerin.
Simplified: Johann Ludwig von Krosigk was born in Rathmannsdorf, in the Kingdom of Saxony. His father was from a noble family in Anhalt, his mother was a daughter of one of the Counts ("Graf") von Schwerin.