|Profession||General of the Armies|
|Parents|| Michael Steiner II (father)|
Joan Lestrade (mother)
|Siblings|| Robert Steiner II|
|Children|| Kailen Steiner (illegitimate)|
Kailen was the illegitimate son of Paul Steiner and left the Inner Sphere with General Kerensky. It is unknown when Kailen was born, but he was old enough in 2821 to have fought with Nicholas Kerensky and establish the Clans, forming the basis for the Steiner Bloodhouse within Clan Cloud Cobra.
- Era Report: 2750, p. 79, "Paul Steiner Profile"
- House Steiner (The Lyran Commonwealth), "The The Lyran Commonwealth's Line of Succession and Partial Steiner Family Tree"
- First Succession War (Sourcebook), p. 132, "Richard Steiner profile"
- House Steiner (The Lyran Commonwealth) (Printed Version)- "Family Tree" (unverified)
- Field Manual: Warden Clans, p. 30, "Khan Din Steiner profile"
- Historical: Operation Klondike, p. 36, "Clan Cloud Cobra"