Gustav, Hereditary Prince of Sayn-Wittgenstein-Berleburg | Peter, Hereditary Prince of Yugoslavia | Hereditary Prince of Sayn-Wittgenstein-Berleburg | ''Paying Homage to the Hereditary King in Front of Copenhagen Castle, 18 October 1660''
Wolfgang Heimbach | Hereditary spastic paraplegia | Hereditary Prince of Saxe-Coburg and Gotha | Hereditary Education Policy | Guillaume, Hereditary Grand Duke of Luxembourg | Alfred, Hereditary Prince of Saxe-Coburg and Gotha |
This variant of haploinsufficiency is only seen in two other human diseases: Erythropoietic protoporphyria, caused by mutations in the FECH gene; and hereditary elliptocytosis, caused by mutations in the spectrin gene.