Its predecessor: Anglo Saxon is even more distant from it. Try to read the passages here: https://en.wikipedia.org/wiki/Old_English#Beowulf
Latin (as an artificially conserved language) has not changed that much since Roman times, but it isn't a language that is actively used in everyday life -- so you cannot claim it is: "continuously spoken over time".
Hebrew and Arabic could be interesting cases -- maybe someone more knowledgeable than me can chime in on these... But I assume ancient Hebrew and Arabic are also not mutually intelligible with the corresponding languages today.