R+L=J

English Proper noun en fandom slang The theory that the character Jon Snow (character) Jon Snow, initially presented in A Song of Ice and Fire/Game of Thrones as the bastard son of Ned Stark by an unknown woman, is actually a secret child born of the union of Rhaegar Targaryen and Lyanna Stark. 2015, Andrew Howe, "The Hand of the Artist: Fan Art in the Martinverse", in Mastering the Game of Thrones: Essays on George R.R. Martin's A Song of Ice and Fire (eds. Jes Battis & Susan Johnston), page 250: This is particularly true of the “R+L=J” phenomenon, the theory that Jon Snow is actually the son of Rhaegar Targaryen and Lyanna Stark, which is commonplace on “Westeros.org,” “Tower of the Hand,” and other sites of online fandom. en 2015 Ford Maddox Brown The Hand of the King Starburst Magazine March https://archive.org/details/Starburst_Magazine_410.March.2015.True.PDF/page/n19/mode/2up?q=%22r+*+l+*+j%22 21 R+L=J: This is a heavily supported theory that has been referenced in the books. 2017, Rowan Kaiser, 100 Things Game of Thrones Fans Should Know & Do Before They Die, page 102: Still, this evidence was strong enough that R+L=J was the default theory for most readers, to the point where some believed that the strongest evidence against it was that it was too obvious. See also en fAegon Further reading en Jon Snow (character)#Parentage Parentage of Jon Snow en eponyms en Family Fictional characters A Song of Ice and Fire