Misc: Who was Adam & Eve's third child?

Questions

[pot luck] which british sea captain was mistaken for lono the god of fertility when he landed in hawaii?

[pot luck] how many british monarchs have been deposed since the norman conquest?

[pot luck] what country's car registration mark is PL?

[pot luck] what is the word perambulator usually shortened to?

[pot luck] which ship first sent the morse code signal 'sos'?