Origin of word "SUNK" i.r.o. sea area off Harwich?

[prestomg27]

Lots of interesting elements on the east coast. Swin, sunks etc. The knob channel was named after Ferdinand vii.

 

[LittleSister]

The knob channel was named after Ferdinand vii.

No, the connection escapes me. Pray do tell.

 

[prestomg27]

No, the connection escapes me. Pray do tell.

Fernando VII’s penis determined the history of Spain – Ancient Civilizations World