I may have done this before but I can't remember.
You can add daughters, spouses and kids for the other sons, etc. using the leftover names if you want (feel free to feminize or masculinize leftover names for that purpose).
Names mostly come from the "heroic" and "royal" categories.
1st gen parents:
Absalom Malachi Drustan Adrastos Cepheus Aethelstan Damocles Alberic Claudius Daedalus Guntram Honorius Nikostratos Porphyry //&// Solveig Rosalind Viola Albena Cornelia Cressida Vasilisa Andromache Andromeda Morgana Circe Hedda Hera Ileana Idalia Kausalya Agnieszka Nadya Zaynab Arete Octavia
and sons:
1 Bahadur Gawain Gideon Masao Actaeon Marsilion Proteus Faramund Menelaus Xeno
2 Amirani David Evander Olivier Callidore Virgil Secundus Aelius Lothar Amedeo
3 Ajax Alexander Ganbaatar Rama Corvus Fereydoun Tercero Agapios Leontios Uther
4 Fingal Gilgamesh Siugrd Yudai Brian Brychan Petrarch Anan Faruq Cormac Vespasian
5 Alcides Mahavira Reynard Amargein Pellinore Hao Pontius Victor Hakan Shahin
6 Prometheus Lucian Sohrab Tahmuras Ganelon Dorian Sextus Bleddyn Julius Valerian
7 Gabriel Drogo Sigmund Theseus Arik Leonato Shichiro Nsonowa Gentian Pompey Zopyros
--
7th son's wife: Hero Adelais Amaryllis Aoife Brunhild Brynhildr Coraline Katyana Katia Ulla Oona Evelina Kleio Padma Portia Miranda Zahrah Dianora Diana Freya Ariadne Hypatia Thetis
and sons:
1 Milos Cynwrig Percival Yeruslan Apollinus Torec Primo Cadmus Ignatius Tiberius
2 Herakles Hildebrand Kalev Aslan Bellerophon Aki Kato Simmias Januarius Shahnaz
3 Cenric Leander Perseus Atreyu Kaio Aeolian Tertius Kunto Abban Lorne Theodoric
4 Gunther Lemuel Oscar Osgar Arion Elidur Thorin Josue Cyprian Lenoidas Florian
5 Hagen Akio Alfher Robin Renaud Drinian Marsyas Quintus Alaric Kagan Ovid Tristan
6 Hector Njall Oisin Orvar William Artos Neleus Rokuro Fiachna Malik Pryderi Urien
7 Conall Fife Fionn Roland Turin Aegeus Odysseus Septimus Gaius Minos Regulus Valens