Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Who was the monarch whose status was heir presumptive and a relationship to the monarch of son?

### Inputs:
table_name: table, columns: ['Monarch', 'Heir', 'Status', 'Relationship to Monarch', 'Became heir; reason', 'Ceased to be heir; reason', 'Next in succession']

### Response:
SELECT Monarch FROM table WHERE Status = Heir presumptive AND Relationship to Monarch = son