List of heirs to the Prussian throne

This is a list of those people who were heir apparent or heir presumptive to the Kingdom of Prussia from its foundation in 1701 to the end of the monarchy in 1918. From 18 January 1871 the Crown Prince of Prussia was also heir apparent to the German Empire. Those heirs who succeeded are shown in bold.

Heirs to the Kingdom of Prussia

King	Heir	Relationship to king and status	Became heir; Reason	Ceased to be heir; Reason	Next in line
Friedrich I	Crown Prince Friedrich Wilhelm	Son Heir apparent	18 January 1701; foundation of the Kingdom of Prussia	25 February 1713; succeeded	Philipp Wilhelm, Margrave of Brandenburg-Schwedt 1701–1707, uncle
					Friedrich Ludwig 1707-1708, son
					Philipp Wilhelm, Margrave of Brandenburg-Schwedt 1708-1710, uncle
					Friedrich Wilhelm 1710–1711, son
					Philipp Wilhelm, Margrave of Brandenburg-Schwedt 1711, uncle
					Friedrich Wilhelm, Margrave of Brandenburg-Schwedt 1711–1712, first cousin
					Friedrich 1712–1713, son
Friedrich Wilhelm I	Crown Prince Friedrich	Son Heir apparent	25 February 1713; father succeeded	31 May 1740; succeeded	Friedrich Wilhelm, Margrave of Brandenburg-Schwedt 1713–1717, first cousin once removed
					Prince Ludwig Karl Wilhelm 1717–1719, brother
					Friedrich Wilhelm, Margrave of Brandenburg-Schwedt 1719–1722, first cousin once removed
					Prince August Wilhelm 1722–1740
Friedrich II	Prince August Wilhelm	Brother Heir presumptive	31 May 1740; brother succeeded	12 June 1758; died	Prince Heinrich 1740–1744, brother
					Prince Friedrich Wilhelm 1744–1758, son
	Prince Friedrich Wilhelm	Nephew Heir presumptive	12 June 1758; father died	17 August 1786; succeeded	Prince Heinrich 1758–1767, brother
					Prince Heinrich 1767–1770, uncle
					Prince Friedrich Wilhelm 1770–1786, son
Friedrich Wilhelm II	Crown Prince Friedrich Wilhelm	Son Heir apparent	17 August 1786; father succeeded	16 November 1797; succeeded	Prince Ludwig Karl 1786–1795, brother
					Prince Friedrich Wilhelm 1795–1797, son
Friedrich Wilhelm III	Crown Prince Friedrich Wilhelm	Son Heir apparent	16 November 1797; father succeeded	7 June 1840; succeeded	Prince Wilhelm, brother
Friedrich Wilhelm IV	Prince Wilhelm	Brother Heir presumptive	7 June 1840; brother succeeded	2 January 1861; succeeded	Prince Friedrich, son
Wilhelm I	Crown Prince Friedrich	Son Heir apparent	2 January 1861; father succeeded	18 January 1871; became heir also to the German Empire	Prince Wilhelm, son

Heirs to the German Empire and the Kingdom of Prussia

Heirs to the German throne

Monarch	Heir	Relationship to monarch	Became heir (Date; Reason)	Ceased to be heir (Date; Reason)	Next in line of succession
Wilhelm I	Crown Prince Friedrich	Son	18 January 1871 Father proclaimed German Emperor	9 March 1888 Father died, became emperor	Prince Wilhelm, son
Friedrich III	Crown Prince Wilhelm	Son	9 March 1888 Father became emperor	15 June 1888 Father died, became emperor	Prince Wilhelm, son
Wilhelm II	Crown Prince Wilhelm	Son	15 June 1888 Father became emperor	9 November 1918 Father abdicated, monarchy abolished	Prince Eitel Friedrich, 1888–1906, brother
					Prince Wilhelm, 1906–1918, son