Where is Gruffudd from?

Meaning of the name Gruffudd

From the Old Welsh name Grippiud , the second element deriving from Welsh udd "lord, prince" but the first element being of uncertain meaning (possibly cryf "strong"). This was a common name among medieval Welsh royalty. Gruffudd (or Gruffydd) ap Llywelyn was an 11th-century Welsh ruler who fought against England.

Characteristics of the name Gruffudd

How do we know this about Gruffudd

(and is it secret spies?)

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