Complex sentence: On board a giant manta drawn river-boat manned by androids, Martin Silenus was born as a wealthy scion of an ancient dying North American house, growing up in the time around the "Big Mistake", which led to the destruction of Earth.
Split into simpler sentences: On board a giant manta drawn river-boat manned by androids, Martin Silenus tells his tale. He was born as a wealthy scion of an ancient dying North American house, growing up in the time around the "Big Mistake", which led to the destruction of Earth.