Leo's father

Leo's father is the unnamed father of Leo Cornelia in the How to Treat a Lady Knight Right manga series.

Apperance
Leo's father appears to wear a bandana

Personality
He's described by Leo as "sctrict" in Chapter 003: The Female Knight and Her Reply.

Leo Cornelia
He is a strict father to Leo, training her, as she is the only female born into a house of knights. That said, Leo doesn't seem to hate her father or have some sort of grudge against him.