Attendant

In old English law

Owing a duty or service to another; waiting or depending upon another..Attendant terms: leases or mortgages for a long period, as a thousand or two thousand years, held by the owner of land or by his trustee as a distinct and additional title, to make his estate more secure, — in the United States treated not as attendant terras but as personalty, and in England in, large measure obsolete.