Short answers, pulled from the story.
Joachim von Ribbentrop was born on the 30th of April 1893 in Wesel, Rhine Province. His father Richard Ulrich Friedrich Joachim Ribbentrop served as a career army officer while his mother Johanne Sophie Hertwig managed their household.
The family did not originally carry the nobiliary particle von until 1925 when an aunt named Gertrud von Ribbentrop adopted him. This legal change allowed young Joachim to add the title to his name and elevate his social standing.
Joachim von Ribbentrop played a key role concluding a Soviet-German non-aggression pact known as the Molotov-Ribbentrop Pact in 1939 alongside diplomatic actions surrounding attack on Poland. He also worked for failure of Japanese-American talks in Washington and pushed Japan to attack United States doing utmost support declaration of war after Pearl Harbor attack.
On the 16th of October 1946 became first Nuremberg defendants executed by hanging marking end of his life and career. His conviction stemmed directly from actions taken as Minister Foreign Affairs serving Nazi Germany from 1938 until 1945.
Ribbentrop informed Hitler any war with Poland would last only twenty-four hours while British stunned by display of power would not honor commitments. He told Italian Foreign Minister Galeazzo Ciano on the 5th of May 1939 certain that within months no Frenchman nor Englishman would go to war for Poland.