Here are some examples:
* "The king begot many children, but only one heir to the throne."
* "This idea was begot by years of research and experimentation."
* "The seeds of doubt were begot by his own insecurities."
If you're looking for a word that describes someone who is blindly and unreasonably devoted to a particular belief or way of life, then you might be thinking of "bigoted".
Here's an example:
* "The bigoted man refused to speak to anyone who didn't share his religious beliefs."