Prince Heinrich XXV Reuss (b.1984) [son of Prince Heinrich XII Reuss (b.1950) & his second former wife Countess Henriette von Seilern und Aspang (b.1961)]
married Countess Marie Czernin von und zu Chudenitz (b.11 January 1991) [daughter of Count Divis Czernin von und zu Chudenitz (b.1942) & his wife Helene, nee von Blaas (b.1959)]
this year.
Sources:
Descendants of King Willem I of the Netherlands
https://www.angelfire.com/realm/gotha/gotha/reuss.html
https://www.angelfire.com/realm/gotha/gotha/czernin.html
Christian Frederik Lorentzen (b.1988) [son of Haakon Lorentzen (b.1954) {himself eldest of three children of Princess Ragnhild of Norway (1930-2012) & her husband Erling Sven Lorentzen (1923-2021)} & his wife Martha, nee Carvalho de Freitas (b.1958)]
married Mariah de Oliveira Pedrosa (b.1991) this year
He is the second child who marries; his elder brother Olav Alexander (b.1985) married Ingrid Kraus de Andrade Nogueira (b.1988) last year.
His sister Sophia Anne (b.1994) is single.
Source:
http://heinbruins.nl/Christian.html
Leopold von Posern (b.1996) [son of Duchess Edwina of Mecklenburg (b.1960) & her husband Konrad von Posern (b.1964)]
married Luise Horsch this year.
Leopold is the eldest of three sons and first one who marries; his brothers Paul (b.1997) and Ferdinand (b.1999) are single.
Source:
http://heinbruins.nl/Christian.html
Xenia Trotzky (b.1993) [daughter of Princess Felizitas of Sachsen-Coburg-Gotha (b.1958) & her husband Sergej Trotzky (b.1948)]
married Frederic von Brandenstein (b.1987) [son of Countess Nadine of Ortenburg (b.1957) & her husband Albrecht, Count von Brandenstein-Zeppelin (b.1950)] this year.
Sources:
http://heinbruins.nl/LouPhil.html
http://heinbruins.nl/Bentinck.html
Count Stanislas du Lau d'Allemans (b.1991) [son of Count Alexandre du Lau d'Allemans (b.1962) & his wife Christel, nee Schulte (b.1965)]
married Solenn Le Corre this year.
Stanislas is the eldest of three children and first one who marries.
Source:
http://heinbruins.nl/LouPhil.html
Count Ludwig of Stolberg-Stolberg (b.1984) [second of four sons of Count Otto of Stolberg-Stolberg (b.1955) & his wife Stefanie, nee Countess von Matuschka, Freiin von Topolczan und Spaetgen (b.1957)]
married Annabelle Garbe this year.
From their parents' sons only the youngest one, Johannes (b.1992) is stll unmarried.
Source:
http://heinbruins.nl/Monaco.html
Marcus von Reden (b.1987) [son of Countess Elisabeth von Drechsel auf Deufstetten (b.1954) & her husband Joachim von Reden (b.1954)]
married Nicole McCasey this year; the previous year their first child was born.
Source:
http://heinbruins.nl/Bavaria.html
Johanna von Pezold (b.1992) [daughter of Countess Christina of Solms-Laubach (b.1962) & her husband Kilian von Pezold (b.1964)]
married Cosmas Weigel this year.
She is the eldest daughter of her parents and second one who marries; her sister Sophia (b.1993) married Baron Clemens von Elverfeldt (b.1992) last year.
Youngest sisters Helene (b.1995) and Pauline (b.1998) are single.
Source:
http://heinbruins.nl/Sayn.html
Maria Florencia Alvarez Auersperg (b.1993) [daughter of Princess Margarita of Auersperg (b.1966) & her husband Victor Alvarez Minetto (b.1965)]
married Joaquin Alejandro Rombys Aguzzi this year.
She is the middle of three children and first one who marries; her brother Facundo Agustin (b.1991) and her sister Carolina (b.2000) are single.
Source:
http://heinbruins.nl/Auersperg.html
Nolan Alexander Wallner (b.1990) [son of Karl John Wallner (b.1962) {himself son of Adolf Wallner (b.1927) {{himself son of Princess Eleonore of Auersperg (1892-1967) & her husband Erwin Wallner (1879-1945)}}& his former wife Elizabeth Mary Morris (b.1928)} & his wife Michelle Renee, nee DeMers (b.1963)]
married Carly Jane Haw (b.1991) this year.
Nolan Alexander is second of three children and second one who marries; his sister Amanda Melanie (b.1988) married Morgan Chelsea McAllister (b.1988) in 2018.
His brother Devin Christopher (b.1992) is single.
Source: as above.
Don Fulco, Prince Ruffo di Calabria-Santapau (b.28 July 1954) [son of late Don Fabrizio, Prince Ruffo di Calabria-Santapau (1922-2005; brother of Queen Paola of Belgium) & his first wife Maria Vaciago (b.1933)]
married, as his third wife Concita Borrelli (b.1966) last year.
His previous marriages, to Melba Vincens Bello and to Luisa Tricarico, ended in divorce.
Sources:
http://heinbruins.nl/Rignon.html
https://www.angelfire.com/realm/gotha/gotha/ruffo.html
Count Guido Brandolini d'Adda, Count di Valmareno (b.1990) [son of Count Brandino Brandolini d'Adda, Count di Valmareno (b.1957) & late his wife Marie, nee Angliviel de la Baumelle (1963-2013)]
married Donna Sofia Pironti [dei duchi di Campagna] (b.1991) this year.
Guido is the eldest of three sons and first one who marries; his brothers Marcantonio (b.1991) & Gioacchino (b.2000) are single.
Source:
http://heinbruins.nl/Agnelli.html