Lucias' Children

This will be the list of Lucias' children with each harem members, Note that they will adopt their mother's surname first since he is still not officially married to their mothers. (Except for the 'creator' and Lily)

Asia Argento 

 - Hanako Argento (F)

Lily Frey 

 - Sophia Frey (F)

Lala Satalin Deviluke

 - Chloe Stella Deviluke (F)

Nana Aster Deviluke

 - Daisy Capella Deviluke (F)

Momo Belia Deviluke

 - Anthony Castor Deviluke (M)

Akame

 - Toji (M)

Kurome

 - Kushiko (F)

Kuroka Toujo 

 - Kimiko Toujo (F)

Jeanne D'Arc

 - Sylvia D'Arc (F)

Mash Kyrielight

 - Leon Kyrielight (M)

Chris

 - Melissa (F)

Bell Cranel

 - Liliana Cranel (F)

Ariel

 - Luna (F)

Lilia Lilith

 - Ares Lilith (M)

Flandre Scarlet

 - Sachi Scarlet (F)

Kurumi Tokisaki

 - Hirano Tokisaki (M)

Yuzuru Yamai

 - Kirishima Yamai (F)

Kaguya Yamai

 - Kyoushi Yamai (M)

Yoshino Himekawa

 - Aiko Himekawa (F)

Natsumi

 - Hikaru (F)

Kotori Itsuka

 - Hiroto Itsuka (M)

Mukuro Hoshimiya

 - Mae Hoshimiya (F)

Tohka Yatogami

 - Ichi Yatogami (F)

Miku Izayoi

 - Fukase Izayoi (F)

Nia Honjou

 - Iori Honjou (F)

Tobiichi Origami

 - Shina Origami (F)

Melan

 - Elenora (F)

Ikaros

 - Celia (F)

Azazel

 - Azriel (M)

Ophis

 - Selena (F)

Great Red

 - Draco (M)

Schwi

 - Leo (M)

Jibril

 - Orianna (F)

Lucifer

 - Celeste (F)

Modeus

 - Albedo (F)

Justice

 - Alastor (M)

Judgement

 - Callisto (F)

Cerberus (3 girls)

 - Cecilia (F), Damien (M), Claudia (F)

Chaos

 - Sirius (M)

Eucliwood Hellscythe

 - Sharael Hellscythe (M)

Ingvild Leviathan

 - Minami Leviathan (F)

Valerie Tepes

 - Rena Tepes (F)

Konjiki no Yami

 - Tanaka (M)

Ravel Phenex

 - Charlotte Phenex (F)

Yasaka Kitsune

 - Kunuo Kitsune (F), Fumiko Kitsune (F)

Akeno Himejima

 - Kurenai Himejima (M)

Koneko Toujo

 - Yumiko Toujo (F)

Mio Naruse

 - Usami Naruse (F)

Maria Naruse

 - Miranda Naruse (F)

Irene Balserion 

 - Erza Balserion (Step-daughter) (F), Luciana Balserion (F)

Mira

 - Rosalind (F)

'creator' 

 - Calliope Frey (F), Hanna Frey (F)

Elmenhilde Karnstein

 - Arie Karnstein (M)

Ishtar

 - Adrahasis (M)

Ereshkigal

 - Urhammu (M)

Raynare

 - Penelope (F)

Artoria Pendragons:

Saber 

 - Arthur Pendragon (M)

Saber Alter

 - Luca Pendragon (M)

Saber Lily

 - Olivia Pendragon (F)

Lancer

 - Adriana Pendragon (F)

Rider Alter

 - Phoebe Pendragon (F)

Mysterious Heroine X

 - Elise Pendragon (F)

Mysterious Heroine X Alter

 - Ruby Pendragon (F)

Castoria

 - Calvin Pendragon (M)

Shuten douji

 - Hannya douji (F)

Ibaraki douji

 - Hisame douji (F)

Kiyohime

 - Kazuko (M)

Scáthach 

 - Aurora (F)

Okita Souji

 - Kohari Souji (F)

Mordred Pendragon

 - Eric Pendragon (M)

Minamoto no Raikou

 - Hotaru (F)

Nero Claudius

 - Cato Claudius (M)

Oda Nobunaga

 - Oda Katsu (F)

Scáthach-Skaði

 - Natalia (F)

Anastasia Nikolaevna Romanova

 - Nicholas Romanov (M)

Serafall Leviathan

 - Alfie Leviathan (M)

Sona Sitri

 - Hugo Sitri (M)

Mavis Vermilion

 - Augustus Vermilion (M)

Erza Scarlet

 - Cameron Scarlet (M)

Mirajane Strauss

 - Ivan Strauss (M)

Lisanna Strauss

 - Isaac Strauss (M)

Pandora

 - Atlas (M)

Vincent Van Gogh

 - Julia Van Gohg (F)

Xenovia Quarta

 - Luis Quarta (M)

Irina Shido

 - Takahashi Shido (M)

Leonardo da Vinci

 - Alexandra (F)

Ryōgi Shiki

 - Minako Ryōgi (F)

67 females, 35 males (Biological only)

68 females, 35 males (Biological & Step-children)

Note that not all of Lucias' women got pregnant with his child.