Complex sentence: The most likely explanation for the Hella brand is related to Sally Windmüller: e wanted to honour his wife Helen, in short Hella, and also wanted to use the playful association between this name and the German word "heller" (bright).
Split into simpler sentences: The most likely explanation for the Hella brand is related to Sally Windmüller. He wanted to honour his wife Helen, in short Hella, and also wanted to use the playful association between this name and the German word "heller" (bright).