Rings of Power: Who is Elrond's Father?

gamerant.com:

In recent episodes of Rings of Power, it has come to light that Elrond’s father is legendary among their people. At this time, the young elf is under severe pressure to save their race from the darkness infecting the Lindon trees, by using the Mithril that the dwarves have just begun mining in Khazad-Dum. And with this pressure comes the reminder that Elrond’s father was someone great. He achieved the impossible, and therefore it now falls to his son to do the same.

But with so much on the line, can Elrond live up to the legacy of his bloodline? Who was his father, and what incredible actions made him a hero of such magnitude among the elves? It all has to do withthe Silmaril’s, the beautiful creations of Feanor, and the bravery of this one man to stand up to insurmountable evil.

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Earendil, Elrond’s father, was a half-elf, half-man. He married a half-elf, half-man maiden named Elwing, from the line of Beren and Luthien. Back when the Silmarils were originally made, they were so pure and precious that every being in the world coveted them, including Morgoth. In one of the worst days the elves had ever seen, Morgoth, with the help of Ungoliant the giant spider demon, slew the trees of Valinor and stole the Silmarils, taking their heavenly light out of the world. Beren is a famous mortal himself because he went deep into the lair of the enemy and stole back one of the Silmarils, after much battling and torment. He then passed the precious stone down to his descendants. As such, it thus found its way to Elwing and Earendil, who vowed to protect it with their lives. The couple lived in peace with their two sons Elrond and Elros, until the sons of Feanor