XX  Nyx is the daughter of unknown [father] and unknown [mother].

XX  They are the littermate of no one.

XX  They are the older sibling of no one.

XX  They are the younger sibling of no one.

XX  They are the uncle/aunt of no one.

XX  They are the niece of... through...

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XX  They are the adopted daughter of Haste [mother], but believe they are her biological daughter.

XX  They are the adopted sibling of...

​

XX  They were formerly mentored by...

XX  They are the former mentor of...