Assertion: nobility's heir | /r/HasProperty | titled hereditary grand duke
Facets:
value: as soon as he reaches
type: TEMPORAL
Source sentences:
text: The heir of the throne of a Grand Duchy is titled "Hereditary Grand Duke", as soon as he reaches the full legal age (majority).
text: The heir to these thrones was known as an Erbgroßherzog, or hereditary grand duke, and the other children were princes or princesses.