Abu Musa reported:When I and my brother came from Yemen we used to consider Ibn Mas'ud and his mother amongst the members of the household. of Allah's Messenger (ﷺ) because of their visiting them frequently and staying there for long (periods of) time

The above hadith is narrated likewise through another chain of transmitters

Abu Musa. reported:I came to Allah's Messenger (ﷺ) and thought that 'Abdullah was amongst the members of the family, or like that