This is a great list, thank you for putting it together! I added some books on my to read list :) Also, it really inspired me, to bring here my paternal relations list that i had on another platform. And while I was doing that I found a few books that have a complicated relation with a mother, I will put them below just in case that you are interested in them:

• Flour Babies by Anne Fine
• Kik the animal out by Véronique Ovaldé
• Anne Frank's diary
• The words to say it by Marie Cardinal
• I'm Glad My Mom Died by Jennette McCurdy
• Infidel by Ayaan Hirsi Ali
• My Sister’s Keeper by Jodi Picoult
• White Oleander by Janet Fitch
• The Mango Season by Amulya Malladi
• Certain Girls by Jennifer Weiner
• The bastard of Istanbul and Honor by Elif Shafak
• Strike Your Heart by Amelie Nothomb
• My mother never dies by Claire Castillon
• The beauty queen of Jerusalem by Sarit Yishai-Levi