# Engagement of Princess Alexandra of Hanover > Live situation record from CLSTR: https://clstr.news/situations/engagement-of-princess-alexandra-of-hanover > Updated: 2026-09-14T13:34:15.000Z. Sources: 30. Developments: 2. Princess Alexandra of Hanover, daughter of Princess Caroline of Monaco and granddaughter of Grace Kelly, has announced her engagement to Ben-Sylvester Strautmann. The couple has been in a relationship for approximately ten years and has been public about their partnership since 2017. Strautmann, a former basketball player for Monaco’s national team and a member of a wealthy German banking family, was raised in Monaco. He is now an entrepreneur and the founder of BSS Monaco. The engagement announcement featured a ring designed by Antinori di San Pietro, featuring a 4.8-carat fancy yellow cushion-cut diamond accented by two colorless diamonds. The ring, valued at approximately $132,000, is crafted from 18-karat yellow and white gold. It includes geometric motifs inspired by Rome’s Piazza del Campidoglio, a location described as significant to the couple. While Alexandra is 13th in the line of succession to the Monegasque throne and holds heritage from both the House of Grimaldi and the House of Hanover, no specific date or location for the wedding has been announced. The news has drawn congratulations from various European aristocratic circles. ## Timeline ### 2026-09-14: Princess Alexandra of Hanover announces engagement to Ben-Sylvester Strautmann Princess Alexandra of Hanover has announced her engagement to long-time partner Ben-Sylvester Strautmann after a decade-long relationship, showcasing a custom $132,000 yellow diamond ring. 10 sources. https://clstr.news/cluster/princess-alexandra-of-hanover-announces-engagement-1 ### 2026-09-11: Princess Alexandra of Hanover announces engagement to Ben-Sylvester Strautmann Princess Alexandra of Hanover has announced her engagement to Ben-Sylvester Strautmann after a decade-long relationship, showcasing a 4.8-carat yellow diamond ring. 20 sources. https://clstr.news/cluster/princess-alexandra-von-hannover-announces-engagement --- Cite as: Engagement of Princess Alexandra of Hanover. CLSTR, https://clstr.news/situations/engagement-of-princess-alexandra-of-hanover