Assertion: nobility's title | /r/HasProperty | transformed into parts of the surname
Facets:
value: in 1919
type: TEMPORAL
Source sentences:
text: This caused[clarification needed] an exceptional practice regarding surnames borne by former members of the nobility: whereas the gender differentiation in German surnames, widespread until the 18th century and colloquially retained in some dialects, was abolished in Germany with the introduction of officially registered invariable surnames by the late 19th century, former noble titles transformed into parts of the surname in 1919 continue to appear in female and male forms.