 Complete the following phrase:  Their eldest son, who would be the last German Emperor as Wilhelm II, was born in the palace on 27 January 1859. Princess Victoria welcomed artists and scholars to the palace, including Heinrich von Angeli, Anton von Werner and Adolph von Menzel. However, after Frederick IIIs death in 1888 following a 99-day reign, she was usually at her new residence, Schloß Friedrichshof, and the palace was rarely used. Beginning in 1905, it was used as a winter residence by Wilhelm IIs heir, Crown Prince Wilhelm, and his wife Crown Princess Cecilie. During the 