How are Lago and Emila related?
Iago: Iago is a fictional character in Shakespeare's "Othello" (c. 1601–1604). Iago:  He is the husband of Emilia, who is in turn the attendant of Othello's wife Desdemona. Emilia (Othello): Emilia is a character in the tragedy "Othello" by William Shakespeare.
husband of Emilia