It's a pairing of Feanor's grandson and Fingolfin's grandson.
CELEBRIMBOR: 'Tween the flower lacking an insect and a Faithful Easterling, a reversed note sits. A grandson is revealed.
RUMIL: An alcoholic liquor makes him endlessly sick.
A: A biblical sister returns without end. Hear the pronoun within. For him.
FEANARO: He went a long way and for a long period of time.
T: A returning rodent and a spinning dinosaur triggered an endless warning. He is revealed.
And it's your turn to make a riddle as well.