Legendary actor Leonard Nimoy has passed away at the age of 83 due to complications from lung disease. As messages of remembrance and condolence trickled across the Internet, it left fans wondering, what he left behind.

Nimoy leaves behind his estate worth approximately $45 million, which is believed to be going to his family, consisting of his wife Susan, and children Julie and Adam.

Nimoy was born Leonard Simon Nimoy in Boston, Massachusetts on March 26, 1931, and the actor is best known for his role as the demi-Vulcan Mr. Spock in the classic television series 'Star Trek' from 1966 to 1969.

Nimoy would reprise his role as Mr. Spock in various 'Star Trek' movies from 1979-1991, where he reunited with his original cast members including William Shatner (Captain James Tiberius 'Jim' Kirk), DeForest Kelley (Doctor Leonard 'Bones' McCoy), Walter Koenig (navigator Pavel Chekov), James Doohan (chief engineer Montgomery Scott), and Nichelle Nichols (Uhura).

"I loved him like a brother. We will all miss his humor, his talent, and his capacity to love," tweeted longtime 'Star Trek' co-star William Shatner on February 27.

In addition, the star recently appeared in the 2009 'Star Trek' movie remake, which also starred Chris Pine, Zachary Quinto Simon Pegg, Winona Ryder, Zoe Saldana and Karl Urban, as Spock Prime. In his role he helped the alternate reality younger versions of the original characters in the film.

"My heart is broken. I love you profoundly my dear friend. And I will miss you every day. May flights...," wrote 'Star Trek' star Zachary Quinto on Twitter regarding his passing of his friend and mentor.

Nimoy was previously married to Sandra Zober from 1954 to 1987 and fathered Julie Nimoy and future director Adam Nimoy.

After his divorce to Sandra in 1987, Nimoy would marry his future wife Susan Bay from 1989 until today. Nimoy is survived by his two children, Adam and Julie.

"A life is like a garden. Perfect moments can be had, but not preserved, except in memory. LLAP (Live Long and Prosper)," wrote Nimoy in his final message on Twitter on February 22, 2015.