Was the father of a knight called Edward (5)

I believe the answer is:

sired

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'was the father of' is the definition.
(I've seen this in another clue)

'a knight called edward' is the wordplay.
'a knight' becomes 'sir' (a knight has the title Sir).
'called edward' becomes 'ed' (short for Edward. I am not sure about the 'called' bit.).
'sir'+'ed'='SIRED'

Can you help me to learn more?

(Other definitions for sired that I've seen before include "Fathered" , "Begot" .)

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