Ferdinand von Humboldt-Dachroeden (b.1982) [son of Christian von Humboldt-Dachroeden (b.1943) {himself oldest, out-of-wedlock child of Ernst-August, Prince of Hannover (1914-1987) by Baroness Maria-Anna von Humboldt-Dachroeden (b.1916)} & his wife Marie Martha, nee von Maltzahn (b.1947)]
is engaged to Baroness Josephine von Perfall (b.1985) [younger daughter together of Baron Franz von Perfall (b.1941) & his second wife Katharina Hegewisch (b.1955)]
they plan to marry (or have already married?) this year.
Ferdinand's only sister Alexandra (b.1980) is married to Ferdinand de Guyard, Count von Saint-Julien von und zu Wallsee (b.1979); they have three sons: Albert (b.2011), Anton (b.2014) & Franz (b.2017).
Josephine has an older sister Antonia (b.1984); their older half-brother Alexander von Perfall (b.1969) is married and has a son Nicholas (b.2002).
Sources:
Descendants of King Christian IX of Denmark
Royal Musings
Sheikha Maryam bint Mohammed bin Rashid al-Maktoum (b11 August 1987) [daughter of Sheikh Mohammed bin Rashid al-Maktoum, Emir of Dubai (b.1949) & his Moroccan wife]
married Sheikh Suhail bin Ahmed bin Juma Al Maktoum on New Years' Day.
Source: Sheikha Maitha's Instagram (Thanks,
Sh baateel!)
Baron Franziskus von Gumppenberg-Pottmes-Oberbrennberg (b.1985) [son of Countess Teresita Hoyos (b.1953) & her late husband, Baron Johannes von Schonau-Wehr, who became Baron Johannes von Gumppenberg-Pottmes-Oberbrennberg (1949-2012)]
is engaged and plans to marry (or has already married?) Countess Katharina von Ballestrem (b.1983) [youngest of four daughters of Marie-Eleonore Mayer (b.1943) {herself daughter of Countess Josefa von Enzenberg zum Freyen und Jöchelsthurn (1913-1999) & her husband Norbert Mayer (1906-2000)} & her husband Count Alexander von Ballestrem (b.1943)]
this year.
Franziskus is the oldest of five sons and second one who marries; his brother Leopold (b.1986) who became Baron Leopold von Schonau-Wehr, married Miriam Krinner last year.
Three youngest sons are: Nikolaus (b.1988), Clemens (b.1989) & Johannes (b.1993).
Katharina is third daughter who marries: her oldest sister Caroline (b.1976) is married to Alban Vital (*1976) and has two sons: Raphael (b.2004) & Nicholas (b.2007).
Her third sister Stephanie (b.1980) is married to Mattias Fischer-Stabauer (b.1975) and has four children: twin daughters Louise & Carlotta (b.2005) and three sons Kasper (b.2006), Rasmus (b.2008) & Balduin (b.2009).
Her second sister Alexandra (b.1977) is reportedly single.
Sources:
Descendants of Archduke Johann of Austria
Descendants of King Maximilian I Josef of Bavaria