 In 1913, the company was having financial problems again, and in 1915 was taken over by new owners and renamed "Nederlandsche Automobiel en Vliegtuigfabriek Trompenburg" (Dutch Car and Aircraft company).Under the new owners, the previous complex model range was simplified and a new car, the 13/30 C1, introduced; sales were disappointing.In 1914, Spyker merged with Dutch Aircraft Factory N.V. and the company motto became "Nulla Tenaci invia est via" latin for "For the tenacious no road is impassable".