Who is Clementine Churchill from The Last Lion: Winston Spencer Churchill and what is their importance?

Clementine is Winston's wife. Winston and Clementine are introduced by Winston's mother. She is the daughter of landed gentry, even though they are not overly wealthy. She receives her education at the Sorbonne and her views are more to the left than those of the Liberals. She is a strong supporter of women's suffrage. She meets Winston for a second time in March 1908 after his African trip. Winston proposes to her in August and they are married on September 12. They honeymoon in Blenheim, Africa and Venice while Winston works on his book and other papers. Winston calls her Cat or Kat, and she calls him Pug, Amber Pug and Pig.