Take the following as truth: David's sister Marjory had married Walter the Steward, and their son was the first of the long line of Stewart (later spelled Stuart) monarchs who would reign over Scotland and, subsequently, Great Britain until the  Glorious Revolution  of 1688.
Then the following statement: "Walter the Steward's wife, Marjory, was not able to bear any children." is true, false, or inconclusive?
Answer: False