Prince Albert is the husband of queen Victoria. We first see Albert in epsiode three were he and his brother comes to met their cousin, queen Alexandrina Victoria in England
Prince Albert was born on the 26th August 1819 as the second son of the reigning duke of Saxe-Coburg and Gotha. He was raised like a twin with his older brother Ernest after there only was 14 months between them. Albert tells Victoria in S1E4 how his mother run away from his father and was captured, sent to exile were she died.
Albert and his brother Ernest is sent to England by request of their uncle leopald, who wants Albert to marry Victoria. Albert and Victoria don`t like each other at first mostly because of they want to reign a country differently. but as they understand each other more and more they fall in love. Victoria asks Albert to marry her in the ending of episode 4 and they marry in episode 5.