From a young age, he'd instill in them an undying loyalty to the sultan.

He has a girlfriend with a young daughter, to whom he gives undying loyalty.

In today's society the idea of undying loyalty to an employer is quickly changing.

Imps had never been known for their undying loyalty.

An old soldier, he knew such small things touched the heart and won undying loyalty.

Monsters of great power and undying loyalty to their creators.

The old John would have burst into protestations of undying loyalty.

And they had all sworn their undying loyalty to her in the ancient language.

She hadn't screamed or puked, and that had won his undying loyalty.

A capture, and a payment to go with it, would be all he needed to have their undying loyalty.