Assertion: duchess's child | /r/HasProperty | her heir
Facets:
value: usually
type: DEGREE
value: since 2015
type: TEMPORAL
Source sentences:
text: The duchy was created with the express purpose of providing income to the heir apparent to the throne; however, the terms of the original creation limit the title Duke of Cornwall to the eldest son of the monarch if and only if that son is also the heir-apparent; since 2015, the eldest child (regardless of sex) of the monarch would usually be her heir-apparent, but no change has been made to allow an eldest daughter to take the title Duke of Cornwall.
text: On July 22, 2013, Elizabeth's grandson William and his wife Catherine, the Duchess of Cambridge, welcomed their first child, George Alexander Louis — a successor to the throne known officially as "His Royal Highness Prince George of Cambridge.