Friedrich Wilhelm Leopold Konstantin Quirin von Forcade de Biaix

Friedrich Wilhelm Leopold Konstantin Quirin von Forcade de Biaix, of Schleibitz, Hamm, Groß-Naedlitz and Loslau, (* 12 May 1784, Berlin; † 22 October 1840,Breslau), Royal Prussian Major, Knight of the Iron Cross 2nd Class on 26 August 1813, Knight of the Order of St. John Bailiwick of Brandenburg (Balley Brandenburg des Ritterlichen Ordens Sankt Johannis vom Spital zu Jerusalem) in 1817, Royal Prussian Chamberlain (Kammerherr) and Castellan (Drost) of Neuenrade in the County of Mark, after his father's death in 1808.

He followed the military tradition of his family, and:

The family motto of the Prussian branch is "In Virtute Pertinax".

Coat of Arms: An escutcheon with the field divided into four parts. Left half: argent tincture, a gules lion holding a sinople eradicated oak tree between its paws; azure tincture charged with three or mullets; Right half: a gules castle with three towers on an argent tincture; sinople tincture charged with three argent roses below it. A Grafenkrone (Count's coronet) as helmut on top of the escutcheon, crested with a or fleur-de-lis. Two or lions supporting the escutcheon. Motto: "In Virtute Pertinax".