Table:
text: List of heirs to the English throne
1066 to 1135
1066 to 1135
Heir Status_ Relationship_to_Monarch Became_heir Reason Ceased_to_be_heir Monarch
Robert Curthose Heir presumptive Son 1066 father became king 1077 William I
Succession unclear 1077-1087 Succession unclear 1077-1087 Succession unclear 1077-1087 Succession unclear 1077-1087 Succession unclear 1077-1087 Succession unclear 1077-1087 William I
Robert Curthose Heir presumptive Elder brother 1087 By agreement 1088 William II
Henry Beauclerc Heir presumptive Younger brother 1088 Robert`s rebellion 2 August 1100 William II
Succession unclear 1100-1103 Succession unclear 1100-1103 Succession unclear 1100-1103 Succession unclear 1100-1103 Succession unclear 1100-1103 Succession unclear 1100-1103 Henry I
William Adelin Heir apparent Only son 1103 born 25 November 1120 Henry I
Empress Matilda Heiress presumptive Only child 25 November 1120 proclaimed 1127 brother died 1 December 1135 (22 December 1135) Henry I

Question: Who among the heirs to the throne of England is the monarch to whom Robert Curthose is heir, if the reason is that his father became king?

Question: Which monarch has an unclear succession between 1100 and 1103 as his status in the list of heirs to the English throne?

Question: What reason is given if 1103 is the date of Became heir in the list of heirs to the English throne?

Question: From the list of heirs to the English throne what is the status if Henry I is the monarch and the reason for the succession between 1100 and 1103 is unclear?