Isenburg-Philippseich was a County of southern Hesse, Germany. It was created in 1711 as a partition of Isenburg-Offenbach, and was mediatised to Isenburg in 1806.

• William Maurice II (1711–1772), (* 1688; † 1772)
• Christian Charles (1772–1779), (* 1732; † 1779)
• Charles William (1779–1781), (* 1767; † 1781)
• Henry Ferdinand (1781–1806), (* 1770; † 1838)

• 
  Heinrich Ferdinand, 1832.
• 
  Georg Kasimir, 1837.
• 
  Photo of General Philipp of Isenburg-Philippseich taken in 1867.
• 
  Photo taken in 2011.