Verses with the word doubtless in the Apocrypha (2 verses):
1 Maccabees 13:6
Doubtless I will avenge my nation, and the sanctuary, and our wives, and our children: for all the heathen are gathered to destroy us of very malice.
2 Maccabees 7:23
But doubtless the Creator of the world, who formed the generation of man, and found out the beginning of all things, will also of his own mercy give you breath and life again, as ye now regard not your own selves for his laws' sake.