Elk's mother (long arm), mom's husband ( buff blademaster), and bio-father (wavemaster).

Tsukasa's mom (heady blade) ,and dad (merchant ,formaly wavemaster).

Elk's mother is a business woman that works mostly with Crim when they're on business trips.

Elk thinks the buff ,cold blademaster is his father ,but finds out of otherwise in a very dramatic way.

For a priod of time Her husband was cheating on her ,so she cheated on him ,and preposefully got pergnat with elk. You know, "Two can play that game ,but I can play harder then you can."

The wavemaster that's his real father doesn't know of his exsisants. He's a wavemaster of necromancy, cruses and spells. The oppisite of elk.

Tsu's mom was a full time treasure hunter. She died in battle. The father was mostly out of site out of mind ,but upon her death he suddenly reappeared. Tsu's mother left all her teasure to him. Out of spitefulness ,and all around being a bad person Tsu's father abused him in various ways until taken under new graindenship(?).