The victim's sister, Emma Gowing, told the court in a victim impact statement
My sister was a vibrant, wonderful woman, who lived life fully, with love, compassion, fun, adventure and joy. Our lives will never be the same.
That man has caused my family unimaginable pain, suffering and grief and the recurring nightmare of what he did to her before she died.
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The Duke and Duchess of Cambridge met young people who have battled mental health issues on Saturday.
Former Chancellor Lord Geoffrey Howe was Margaret Thatcher's longest-serving Cabinet minister, also taking on the role of Foreign Secretary.
Lord Geoffrey Howe is known by many for his resignation speech which was seen as the catalyst which destroyed Margaret Thatcher.