A lot of Kemah, Texas is just washing away into the ocean

my wife's friends  ex has a home in Kemah and told his ex that half of his property has washed away into the ocean from the flooding. But, he built high enough with a retaining wall but still water overtopped his 8 foot high retaining wall. But still, half of his property is in the ocean now. It makes me wonder if water topped  an 8 foot retaining wall how many humans have been washed into the ocean so far? I guess the only way we might know is if their bodies wash up somewhere on the Texas or other shores.