There’s a lot of proposed San’layn stuff that isn’t in the game. What we got were Dark Ranger.
(San’layn/vampyr elf Customization (and Allied Race idea) Coagulated Megathread {Re-VAMPed})
But yes, the equal to that would be Felblood. Which people argue are DHs, but that doesn’t even cover the customization options that have been suggested for them either. Especially since most of that is locked to one class.