Christian Grafvon Forbach, then Christian Marquis de Deux-Ponts and later Christian Freiherrvon Zweibrücken ( 1752 – 1817) was an officer of the French army and later a general of the Royal Prussian and then of the Bavarian Army, at last in the rank of General der Infanterie. He may not be confused with his nephew Christian Freiherr von Zweibrücken (aka Christian Graf von Forbach, 1782–1859), who was a Bavarian General of Cavalry (General der Kavallerie).
Christian von Zweibrücken, was the first of six children of Christian IV Herzog von Pfalz-Zweibrücken and Maria Johanna Camasse Gräfin von Forbach. He was born in Zweibrücken. The children, were unable to succeed to their father's Duchy due to the morganatic nature of their parents' marriage at first, but were allowed to wear the name Freiherr von Zweibrücken in 1792.
Due to a former business agreement of Louis XV of France and his father from March 1751, who promised to the French king to raise a battalion of infantry for France when and if needed, the Infantry Regiment "Royal Deux-Ponts" (raised on 19, 1757) of two battalions to the French crown after the outbreak of the Seven Years' War, when it was at first deployed in the Battle of Rossbach. The commander of the regiment at this time was Christian von Forbach, and his brother Philippe Guillaume (later renamed to Wilhelm) was deputy commander. As part of De Rochambeau's expedition corps he led the "Royal Deux-Ponts" during the American Revolutionary War, where the regiment proved in the Battle of Yorktown, also called the "German Battle", on October 4, 1781. In 1783 he married Adélaïde-Françoise de Béthune-Pologne (1761–1823). The couple had three daughters. The first of them Maria Amalia Charlotte Auguste died in her year of birth 1784. The others were Maria Amalia Charlotte Franziska Auguste Eleonore (1786–1839) and Kasimira Maria Louise Antoinette (1787–1846).