[1] Hanover was born Christian Heinrich Clemens Paul Frank Peter Welf Wilhelm-Ernst Friedrich Franz on 1 June 1985 in Hildesheim, Lower Saxony, West Germany.

[1] His parents, Ernst August von Hannover and Chantal Hochuli, an heiress to a Swiss chocolate company, divorced on 23 October 1997.

[2] On 24 November 2017, Christian married Peruvian lawyer Alessandra de Osma in a civil service at the Chelsea and Westminster register office in London.

Hans-Jürgen Hoeppke (IELP-Evangelical Lutheran Church of Peru; Christuskirche in Lima) and Bishop Norbert Klemens Strotmann of the diocese of Chosica officiating.

[3] After moving permanently to Madrid, the couple announced in March 2020 they were expecting a set of twins, and Alessandra gave birth on 7 July 2020 at Quirón Clinic in Pozuelo de Alarcón.