The House of Húrin was founded oleh one Húrin of Emyn Arnen, Steward to King Minardil, the twenty-fifth King of Gondor. They were of high Númenórean blood, but not descendants of Elendil in the ruling line. Húrin was, in fact, the great-great-great-grandson of Eldacar through a female line.
Although not formally a Ruling Steward, Pelendur was the first to effectively rule the kingdom, doing so for one tahun after the death of King Ondoher and his sons while fighting the Wainriders. He played a key role in influencing the Council of Gondor to choose Eärnil over Arvedui of Arthedain, thus maintaining...