Make a text file named _inc_patch.rpy containing:
init 1040 python:
    def nameChange( txt ):
#Julia -> Mom
        if ("sRockyT" in txt) and ("sJulia" in txt):
            sJulia.name = "Mom"
            return txt.replace("sJulia","sJulia")
        elif ("sRocky" in txt) and ("sJulia" in txt):
            sJulia.name = "Mom"
            return txt.replace("sJulia","sJulia")
        elif ("sRockyT" in txt) and ("Julia" in txt):
            return txt.replace("Julia","Mom")
        elif ("sRocky" in txt) and ("Julia" in txt):
            return txt.replace("Julia","Mom")
#Lucy -> Sis
        elif ("sRockyT" in txt) and ("sLucy" in txt):
            sLucy.name = "Sis"
            return txt.replace("sLucy","sLucy")
        elif ("sRocky" in txt) and ("sLucy" in txt):
            sLucy.name = "Sis"
            return txt.replace("sLucy","sLucy")
        elif ("sRockyT" in txt) and ("Lucy" in txt):
            return txt.replace("Lucy","Sis")
        elif ("sRocky" in txt) and ("Lucy" in txt):
            return txt.replace("Lucy","Sis")
#Emma -> Aunt
        elif ("sRockyT" in txt) and ("sEmma" in txt):
            sEmma.name = "Aunt Emma"
            return txt.replace("sEmma","sEmma")
        elif ("sRocky" in txt) and ("sEmma" in txt):
            sEmma.name = "Aunt Emma"
            return txt.replace("sEmma","sEmma")
        elif ("sRockyT" in txt) and ("Emma" in txt):
            return txt.replace("Emma","Aunt Emma")
        elif ("sRocky" in txt) and ("Emma" in txt):
            return txt.replace("Emma","Aunt Emma")
#Sara -> Grandma
        elif ("sRockyT" in txt) and ("sSara" in txt):
            sSara.name = "Grandma Sara"
            return txt.replace("sSara","sSara")
        elif ("sRocky" in txt) and ("sSara" in txt):
            sSara.name = "Grandma Sara"
            return txt.replace("sSara","sSara")
        elif ("sRockyT" in txt) and ("Sara" in txt):
            return txt.replace("Sara","Grandma Sara")
        elif ("sRocky" in txt) and ("Sara" in txt):
            return txt.replace("Sara","Grandma Sara")
#Olivia Cousin
        elif ("sRockyT" in txt) and ("sOlivia" in txt):
            sOlivia.name = "Cousin Olivia"
            return txt.replace("sOlivia","sOlivia")
        elif ("sRocky" in txt) and ("sOlivia" in txt):
            sOlivia.name = "Cousin Olivia"
            return txt.replace("sOlivia","sOlivia")
        elif ("sRockyT" in txt) and ("Olivia" in txt):
            return txt.replace("Olivia","Cousin Olivia")
        elif ("sRocky" in txt) and ("Olivia" in txt):
            return txt.replace("Olivia","Cousin Olivia")
#Walter Uncle
        elif ("sRockyT" in txt) and ("sWalter" in txt):
            sWalter.name = "Uncle Walter"
            return txt.replace("sWalter","sWalter")
        elif ("sRocky" in txt) and ("sWalter" in txt):
            sWalter.name = "Uncle Walter"
            return txt.replace("sWalter","sWalter")
        elif ("sRockyT" in txt) and ("Walter" in txt):
            return txt.replace("Walter","Uncle Walter")
        elif ("sRocky" in txt) and ("Walter" in txt):
            return txt.replace("Walter","Uncle Walter")
        else:
            return txt
    config.say_menu_text_filter = nameChange