Translate the following text from Latin to English. Amūlius fīliōs frātris necāvit et fēcit Rēam Silviam, fīliam frātris, in sacerdotem Vestālem. Vestālēs in villā prope templum Vestae habitābant et flammam in mediā urbe defendēbant. Vestālēs erant virginēs et nōn poterant maritōs habēre.