Gerhard IV, Count of Holstein-Plön

Gerhard IV, Count of Holstein-Plön
Seal of Gerhard IV as Count of Holstein-Ploen, c. 1312-1314
Born	c. 1277
Died	1323
Noble family	House of Schauenburg
Spouse(s)	Anastasia of Schwerin
Father	Gerhard II, Count of Holstein-Plön
Mother	Ingeborg of Sweden

Gerhard IV (c. 1277 – 1323), was Count of Holstein-Plön from 1312 until his death.

He was the eldest son of Gerhard II and his wife, Ingeborg of Sweden. He inherited Holstein-Plön; on 7 June 1314, he sold most of his inheritance to his brother John III.

He married on 30 July 1313 to Anastasia of Schwerin (c. 1291 – after 1316), a daughter of Nicholas I of Schwerin, and had the following children with her:

• Gerhard V of Holstein-Plön (c. 1315 – 22 September 1350), canon at Lübeck Cathedral, potential future Count of Holstein-Plön until his early death.

• 
  Seal of Gerhard V
• 
  Seal of Gerhard V
• 
  Seal of Gerhard V

• Ingeborg (c. 1316 – after 1349), married to Count Conrad I Oldenburg; they were parents of Christian V, Count of Oldenburg

An early seal from his time as Provost of Lübeck reads:
S (IGILLUM) * DEI * GRA * GHERARDI (TIA) * P (RAE) POSITION (U.S.) * LUBIC (E) N (SIS)
"Seal of Gerhard, provost of Lübeck by the grace of God"

• 
  Seal of Gerhard IV
• 
  Seal of Gerhard IV
• 
  Seal of Gerhard IV

• Verein für Lübecksche Geschichte und Alterthumskunde: Siegel des Mittelalters aus den Archiven der Stadt Lübeck, Lübeck, 1862-1865