VIDEOS: Watch speeches from Nancy Reagan's funeral in Simi Valley
"When he was on a movie set, or on the road for General Electric, or as a candidate, or as governor, or as president, he wrote her every single night," said former Secretary of State James Baker.
Former Canadian Prime Minister Brian Mulroney read from a letter Ronald wrote to Nancy in 1981.
PHOTOS: Politicians, notable figures pay their respects at Nancy Reagan's funeral
"Browning asked; 'How do I love thee - let me count the ways?' For me there is no way to count. I love the whole gang of you," said Browning while reading the letter.
WATCH VIDEO: 1981 letter from Ronald Reagan to Nancy Reagan
"My parents were two halves of a circle," said daughter Patti Davis.
Her two children paid tribute to their mother, while acknowledging theirs was not always a close relationship.
WATCH VIDEO: Daughter speaks at Nancy Reagan's funeral
"But there were moments in our history when all that was going on between us was love, I choose to remember those moments," said Davis.
WATCH VIDEO: Son speaks at Nancy Reagan's funeral
Among the first ladies, a past president, and some of Hollywood's biggest stars there was a large measure of comfort in Nancy Reagan's passing; a strong sense that she will be exactly where she wants to be.
"Most importantly she will once again lay down beside the man who was the love of her life, as they always wished it to be, resting in each other's arms, only each other's arms, until the end of time," said son Ronald Reagan.
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