(Middle names are optional. No one really had middle names during these times, though you can add them if you wish.
Also, sorry if name choices get repetitive. I kinda got tired at around Family 3)
Family 1: England
DH: John Thomas William Richard Robert Henry Nicholas Edward Ralph Walter (Chauncey Atkinson Seymour Hall)
DW: Elizabeth Joan Margaret Anne Katherine Agnes Elinor Frideswide Frances Joyce (Adams Goodryngton Spencer Mereworth)
DS: Henry Simon Richard Matthew George Christopher Thomas William Francis Philip
DD: Alice Katherine Isabel Dorothy Elizabeth Sarah Agnes Bridget Margaret Jane
DD: Clemence Elinor Anne Susanna Christian Lucy Martha Cecily Gillian Joyce
DS: Edmund Nicholas John Andrew Hugh Leonard James Martin Lawrence Robert
DD: Dorothy Amy Millicent Edith Margery Thomasin Elizabeth Sybil Frances Anne
—
Family 2: France
DH: Charles Jehan François Anthoine Robert Guillaume Edme Mathieu Hector Jacques (Troussillon de Chastel de la Fontaine Dubois)
DW: Marie Catherine Marguerite Jehanne Élisabeth Martine Isabelle Barbe Simone Louise (Petit Fournier Gervais le Clercq)
DD: Madeleine Anne Élisabeth Sébastienne Françoise Denise Catherine Isabelle Marie Crespine
DS: Mathieu Jehan Nicolas Pierre Gabriel François Robert Claude Octavien Philippe
DS: Tristan Anthoine Guillaume Loup Michel Denis Joachim Jacques André Guy
—
Family 3: Spain
DH: Pedro Alonso Juan Francisco Cristóbal Rodrigo Hernando Esteban Jerónimo Gaspar (Ramírez García de Castro Marqués)
DW: Ana María Teresa Catalina Isabel Constanza Beatriz Quiteria Margarita Elvira (Rodríguez Moreno de Espinosa Quijada)
DS: Diego Rodrigo Alonso Gabriel Hernán Gonzalo Francisco Andrés Pascual Juan
DD: Juana Leonor María Antonia Francisca Catalina Elvira Mencía Luisa Teresa
DD: Constanza Lucia Beatriz Elvira Mariana Inés Luisa Margarita Angela Mayor
DD: Isabel Juliana María Catalina Mencía Magdalena Sancha Teresa Quiteria Leonor
DS: Pedro Jerónimo Luis Antonio Cristóbal Gonzalo Hernando Eyague Felipe Tomás
DS: Alvaro Esteban Baltasar Rodrigo Gaspar Carlos Martín Lorenzo Jaime Antón
DS: Juan Sebastian Andrés Bartolomé Hernando Alonso Jaime Marcos Gregorio Agustín
DD: María Francisca Violante Elvira Antonia Beatriz Jerónima Andrea Clara Susana
DD: Floriana Lucia Constanza Inés Agueda Juliana Ursula Mencía Barbola Leonor
DD: Quiteria Juana Damiana María Isabel Ana Melchora Antonia Pascuala Beatriz
—
Family 4: Venice
DH: Benedetto Antonio Filippo Giovanbattista Stefano Vincenzo Zuan Lorenzo Marco Guglielmo (Zambellotto Cavazza Tuviani Boscolon)
DW: Caterina Regina Elisabetta Fiordelise Alessandra Lucia Daniela Maddalena Felicita Valentina (Capello di Rossi Bergamasca Orsini)
DD: Angela Lucia Samaritana Zuanna Caterina Emilia Margherita Rosa Chiara Filomena
DS: Aurelio Francesco Zuan Filippo Bastiano Marcantonio Giulio Iacomo Antonio Ippolito
DS: Lodovico Andrea Guglielmo Stefano Tommaso Benedetto Raffaele Dionisio Marco Galeazzo