Siderians are Northern, horse sized big cats who have anatomical features of tigers, eurasian lynx and Oriental cats.
See here the version on DA with links to the reference sheets of the involved Siderians:
https://www.deviantart.com/felisgla.....tuff-194632357

Siderians in this refsheet:
*Axel: father of Yava, brother of Morten, son of Matthias & Alva. ByRiverRaven
*Ravn: son of Axel, brother of Yava. By RiverRaven
*Gunda:grandmother of Stian & Goran (maternal lineage)
*Morten: father of Stian & Goran. Brother of Axel, son of Matthias & Alva.
*Stian: you may know the White Devil.
*Håvard: grandfather of Stian & Goran (maternal lineage)
*Finnr: son of Tristan & Felina.
*Falkner: one of my favourite fellows :)
*Goran:brother of Stian, son of Morten & Mara
*Ekster:daughter of Stian & Vivanna.
*Tristan: mate of Felina and father of Finnr.
*Yava (by RiverRaven ) cousin of Stian, paternal lineage. Daughter of Axel and Malta.
*Arto:brother of Rubi and belongs to RiverRaven

© Species, art and characters by me, please don't copy and/or use it without my permission