[This content is out of date and no longer canon]
I have added some couples and fanchildren from the anime and movies. They can be found in the directory and in this post.
Rindou & Nadeshiko Takayama (Ritchie/Sakura)
Brooke Konishi (Robert/Solidad)
Holly & Hope Reshetilova (Zoey/Angie)
Ophelia & Prospero del Alamos (Alberto/Nando)
Melisa Martorell (Tonio/Alice)
Lark Jiuta (Vincent/Melody)
Aideen Meteora (Kevin/Sheena)
Fortune Heath (Butler/Diane)
Coral Evren (Jack Walker/Lizabeth)
Giotto Lund-Sylvane (Tory/Bianca)
Naomi Moore (Karl/Rowena)
Alphonse & Melchior Plantagenet (Kimia/Flamel)
Elias & Jeanne Plantagenet (Raleigh/Bonnie)
Azariah Arcelus (Rafe/Tobias)
Milo & Akia Keali’i (Ulu/Burgundy)
Penelope Tracy-Cooke (Virgil/Trip)
Sieg & Bryn Taylor (Luke/Georgia)
Charlotte, Suzette & Madeleine Sheng-Hermé (Sawyer/Miette)
Hespera Beauvilliers (Aria/Evelyn)
Bobby Demario (Benny/Casey)
Eponine Travere-Joubert (Cosette/Mairin)
Kelsey Laskos (Kellyn/Rhythmi)
Pokémon Legends & Legacies 