Related for Ketubot 205:21
וליתבו לה לפי ברכת הבית ה"נ
Why then should they not give her according to the blessing of the house? They indeed must.
Tosefta Ketubot
A widow that said "I don't want to move out of my husband's house", the inheritors are not able to prevent her, for this is the honour of her husband. If she said "I do not want to move out of my father's house", the inheritors are able to prevent her, for she increases blessings for the house.
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