grandmothers Bitrh name

i hope some one can help
my Grandmother was born whit last name Von Spiczak Brzesinski in 1923 i know she was mrragie in hamburg whit a danisch man but she never took hes last name,my father is baptist in hamburg in 1942,but here stops all informationthey come from Proussian and i have found a wafenshild
but i can not find my GrandGranddads name on it
he was born in poland or germany in vest preussian
i want to have some storry about my fameli,i am interest in storry