Sibling for Miguela and Melanie

My sister is pregnant with a baby boy and we need a name ASAP. She has two children already [name_m]Miguel[/name_m] [name_m]Alejandro[/name_m] and [name_f]Melanie[/name_f] [name_f]Mercedes[/name_f]. Please help us find a name. Thank you.

My sister is 8 months pregnant with a baby boy and we need a name ASAP. She has two children already [name_m]Miguel[/name_m] [name_m]Alejandro[/name_m] and [name_f]Melanie[/name_f] [name_f]Mercedes[/name_f]. Her husband has suggested [name_m]Benjamin[/name_m] or [name_m]Sebastian[/name_m] but that doesn’t quite seem right. Our parents suggested [name_m]Oliver[/name_m] and she cant seem to get her mind off of [name_m]Braden[/name_m] but our family is torn as to weather we should stick with one of these or chose a more fitting name liked by all of us. Please, Please, Please, leave some suggestions for us. Thank you.