Celeborn

Lord Celeborn is a Tolkien character who appears in The Lord of the Rings: The Fellowship of the Ring and The Lord of the Rings: The Return of the King.

Background
Celeborn is the husband of Lady Galadriel, father of Celebrían and grandfather of Arwen and father-in-law of Lord Elrond and great-grandfather of Eldarion.A descendant of the house of Elmo, Celeborn was a prince of Doriath.It was there that he met, fell in love and married Lady Galadriel.

Personality
Celeborn was a wise and benevolent ruler, providing sanctuary for the Fellowship. Apart from ruling, he was a quick thinker and warrior, able to lead his followers into battle against the fortress Dol Guldur, which would eventually be destroyed by his wife. However, most of his personality remains unknown.

Galadriel
Celeborn was very much in love with Lady Galadriel, and their story is one of the greatest romances told in Middle-earth. It was love at first sight, the first meeting in Doriath. Travelling to Middle-earth together, they remained faithful to each other, especially having a daughter together. Celeborn and Galadriel shared responsibility over ruling Lothlórien and also supporting one another.

Arwen
Arwen is Aragorn's granddaughter through Elrond and Celebrían. Celeborn loved her, as she often visited Lothlórien.

The Fellowship
Galadriel and Celeborn allowed the Fellowship sanctuary. He gave them each an Elven cloak that will help them disguise their surroundings. He also warned Aragorn that there were dangers ahead while giving him a dagger.

Gandalf
It's unknown when Celeborn met Gandalf, but they most likely met during their time in Middle-earth. However, Galadriel was closer to Gandalf than Celeborn was. During the Fellowship of the Ring, Celeborn was taken aback and sadden when Gandalf had seemingly fallen into shadows.