[4] In 1909, she attended the Höhere Töchterschule (High School for Girls) in Bromberg, then a city in the German Empire (now Bydgoszcz, Poland).

[6] In one surviving letter, Boden refers to Heinrich Himmler as the "Landsknecht[7] with the hard heart" but she was nevertheless impressed by his romantic style of writing and his sincere love for her.

[4] Seven years his senior, Boden shared his interest in herbal medicine and homeopathy, and was part owner of a small private clinic.

[11] Initially, Heinrich struggled with the decision to reveal his relationship with Margarete to his parents, partly due to her being seven years older, but also because she was a divorcee, and foremost, because she was a Protestant.

[15] The couple had their only child, Gudrun, who was born on 8 August 1929; they were also foster parents to Gerhard von Ahe, the son of an SS officer who had died before the war.

[16] Margarete sold her share of the clinic and used the proceeds to buy a plot of land in Waldtrudering, near Munich, where they put up a prefabricated house.

After the Nazis seized power in January 1933, the family moved first to Möhlstrasse in Munich, and in 1934 to Gmund am Tegernsee, where they bought a house.

Former Hitler Youth leader Baldur von Schirach wrote in his memoirs that Heinrich Himmler was constantly "henpecked", essentially had zero influence at home, and had to yield to Margarete's will.

Once World War II began, Himmler helped operate a military hospital affiliated with the German Red Cross.

[29] In February 1945, in writing to Gebhard Himmler, Margarete said of Heinrich, "How wonderful that he has been called to great tasks and is equal to them.

During her internment, Margarete was interrogated, but it became clear that she was not informed of the official business of her husband, and was described as having a "small-town mentality" which persisted throughout her questioning.

On 4 June 1947, in the European edition of the New-York Tribune, an article appeared entitled, "Widow of Heinrich Himmler Lives Like a Gentlewoman".

Nevertheless, the denazification committee in Detmold revised her classification and contended that she likely supported the goals of the Nazi Party and endorsed the actions of her husband.

Because of this, another denazification proceeding, started by the Bavarian Prime Minister Hans Ehard, resumed in the British occupation zone.

On 15 January 1953, at the final hearing against Margarete in Munich, she was classified as a beneficiary of the Nazi regime and thus placed in Category II (Activists, Militants, and Profiteers, or Incriminated Persons/German: Belastete), and sentenced to 30 days' special/punitive work.

[37][38] Peter Longerich notes that Margarete Himmler probably did not know about the official secrets or planned projects of her husband during the Nazi era.

[39] Jürgen Matthäus described her as a typical Nazi who wanted the Jews gone, and observed that despite any efforts contrariwise to isolate herself from the regime and its crimes, she profited from them.