WHAT IS THE INFORMATION GIVEN ABOUT WINDSOR BY HARRIS?

From the text:

Old Windsor is a famous spot in its way. Edward the Confessor had a palace here, and here the great Earl Godwin was proved guilty by the justice of that age of having encompassed the death of the King’s brother. Earl Godwin broke a piece of bread and held it in his hand. “If I am guilty,” said the Earl, “may this bread choke me when I eat it!” Then he put the bread into his mouth and swallowed it, and it choked him, and he died.

Why did the three old man curse the three friends

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