Did Infante Alfonso Carlos ever officially endorse the French king declarations?
Yes
No
No, but he supported them privately
Yes, but later retracted
Answer
Alfonso Carlos did not officially endorse the French king declarations, as he believed that the Spanish monarchy was still a legitimate institution and that the Carlist claim to the throne was the only legitimate one.
Unveiling the Legacy: The Remarkable Life of Infante Alfonso Carlos, Duke of San Jaime