Irrelevant Sentence

(A) Henry Ford founded the Ford Motor Company in 1903. (B) His son, and then his grandson, took over the presidency of the company after he died. (C) He introduced many of the methods of assembly-line production now copied all over the world. (D) The most famous result was the 'Model T' Ford, the first motor vehicle made for a mass market in 1908. (E) It was cheaper and more reliable than any of its rivals and by 1925, Ford was producing 10.000 cars a day.

My answer is B. Would you be kind enough to explain which of the sentences doesn't belong in the paragraph?