ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɛvənti wˈʌn hɪz sˈʌnz ɹˈɛdʒɪstɚd ɐ sˈɛpɹət kˈʌmpəni dʒˈɛbɹuːdɚ stˈoʊlwɚk stˈoʊlwɚk bɹˈʌðɚz wˌɪtʃ mˈɜːdʒd bˈæk ˌɪntʊ ðɪ ɚɹˈɪdʒɪnəl kˈʌmpəni ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɛvənti sˈɪks, ˈæftɚ ðə dˈɛθ ʌv fɹˈænts stˈoʊlwɚk.
In 1871 his sons registered a separate company Gebrüder Stollwerck (Stollwerck Brothers) which merged back into the original company in 1876, after the death of Franz Stollwerck.