My ancestors owned slaves (in Massachusetts) and records show that they willed them to their children (sometimes one “Negro man” to more than one child) and also willed resources “for the maintenance of his Negro man”.
Since Massachusetts was one of the first states to abolish slavery, it’s easy to forget that there were slaves in Massachusetts at one time. (The most famous of them may be the poet Phillis Wheatley.) In addition, the slaves had to sit in a segregated section of the stadium when they attended Patriots games.