Several heirs filed suits against this regulation, but on 11 March 1966 the supreme Federal Administrative Court of Germany ruled, based on Art. 109 of the Weimar Constitution and an earlier decision of the Reichsgericht, that German law on names does not recognise hereditary surname variants for heads of families distinct from the legal surname borne by other family members. (cf., N.N. Primogenitur – Nur eine Silbe(in German) ("primogeniture – only a syllable"), in: Der Spiegel, No. 15 (1966), p. 61.
"reidh-". American Heritage Dictionary's Index of Indo-European Roots. Archived from the original on 2009-04-22.
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"Artikel 109" [Article 109]. Weimar Constitution (in German). Adelsbezeichnungen gelten nur als Teil des Namens und dürfen nicht mehr verliehen werden.