Prince Akishino has named his new son Prince Hisahito, the Imperial Household Agency announced Tuesday.

Prince Akishino, who is Emperor Akihito's second son, gave the name to the child in an afternoon ceremony at Aiiku Hospital in Minato Ward, Tokyo. Following tradition, it was held on the seventh day after his birth.

The newborn is the first heir born to the Imperial family in nearly 41 years, standing third in line to the Chrysanthemum Throne after Crown Prince Naruhito and Prince Akishino. Females are barred by law from ascending the throne.