I’m sorry to hear about your mom 
[name_f][/name_f] [name_f]Dottie[/name_f] is great and works perfectly with your children’s names, and [name_f]Dottie[/name_f] [name_f]Amanda[/name_f] flows really well.
Other ideas could be…
[name_f][/name_f][name_f]Hattie[/name_f] [name_f]Amanda[/name_f]
[name_f][/name_f][name_f]Josie[/name_f] [name_f]Amanda[/name_f]
[name_f][/name_f][name_f]Olive[/name_f] [name_f]Amanda[/name_f]
[name_f][/name_f][name_f]Birdie[/name_f] [name_f]Amanda[/name_f]
[name_f][/name_f][name_f]Penny[/name_f] [name_f]Amanda[/name_f]
[name_f][/name_f][name_f]Goldie[/name_f] [name_f]Amanda[/name_f]
[name_f][/name_f][name_f]Pearl[/name_f] [name_f]Amanda[/name_f]
[name_f][/name_f][name_f]Betty[/name_f] [name_f]Amanda[/name_f]
[name_f][/name_f][name_f]Alice[/name_f] [name_f]Amanda[/name_f]
[name_f][/name_f][name_f]Sadie[/name_f] [name_f]Amanda[/name_f]
[name_f][/name_f][name_f]Rose[/name_f] [name_f]Amanda[/name_f]