A subsequent proclamation by John of Gaunt 's legitimate son , King Henry IV , also recognised the Beauforts ' legitimacy .
A subsequent proclamation by John of Gaunt 's legitimate son , King Henry IV , also declared them ineligible ever to inherit the throne .
A subsequent proclamation by John of Gaunt 's legitimate son , King Henry IV , also recognised the Beauforts ' legitimacy , but declared them ineligible ever to inherit the throne .