Express your warm wishes to your sister by using our 70th birthday speech to sister. They are ideal for a sibling because they speak of shared memories and family life. They tell what she means to you and to others around her.Each 70th birthday speech to sister ends with a warm toast especially written for the occasion. Select one speech or choose the pieces you like the best from the pack to mix and mingle. The poems offer you chance to end on a totally unexpected note. So go on take the opportunity of making her day really special with memorable words.