Lincoln Branwen:

Bio: Lincoln is the oldest twin brother of Vitani and one of the youngest sons of Taiyang and Raven. During his early childhood, he was raised by his mother after she took them with her since she left Taiyang, Ruby and Yang and learned the ways of the Branwen tribe due to his mother had been training him as a child.

Semblances:

Wendigo's Fury: Lincoln can transform into a wendigo during the full or blood moon and possesses enhanced strength and his eyes will become blood red.

Wendigo's Howl: He can create and summon creatures to aid him in battles. He refers them as his hellhound units.

Vitani Branwen:

Bio: Vitani is the youngest twin brother of Lincoln and one of the youngest sons of Taiyang and Raven. During his early childhood, he was raised by his mother after she took him and his brother with her since she left Taiyang, Ruby and Yang and had learned the ways of the Branwen tribe due to his mother had been training him as a child.

Semblance:

Grimm Summoner: He can create and summon his own Grimm. Unlike Salem's Grimm, Vitani's grimm had auras and they actually have emotions and behave more like animals than monsters. Vitani refers his Grimm as his pets.