non-related

adjective

1. associated; connected.
2. allied by nature, origin, kinship, marriage, etc.
3. narrated.
4. Music. (of tones) belonging to a melodic or harmonic series, so as to be susceptible of close connection.

adjective

1. connected; associated
2. connected by kinship or marriage
3. (in diatonic music) denoting or relating to a key that has notes in common with another key or keys

adj.“connected by blood or marriage,” 1702, past participle adjective from relate (v.). Related: Relatedness.