Baron of, a German pietist;and poet, was born in Berlin, Nov. 27, 1654. He studied for the diplomatic career at Leyden and Leipsic, and travelled in England, Holland, Italy, and France. - He died at Berlin, Aug. 11, 1699. The friendship of Spener cheered his life, and he was exemplary alike for his statemanship and piety. He composed some hymns, which were published by J. Ulrich von Konig in 1727. One of them has been translated into English: Seele du must munter werden, in Lyra Germ. i, 216 ("Come, my soul, awake, 'tis morning"). See Koch, Gesch. d. deutschen Kirchenliedes, iv, 438 sq.;,Hoefer, Nouv. Biog. Genrale, s.v.' (B. P.)