Jenő Balassa (1859-1926) (actor at the Vígszínház (Comedy Theatre) with his son Jancsi Balassa (1904-1948), and his wife Klári Fátyol Balassa (a Cimbalom musician), and likely Daughter. circa 1914
More info about Jancsi (JÁNOS BALASSA): https://www.hangosfilm.hu/filmenciklopedia/balassa-janos