The wind unexpectedly blows the witch's hat away, then her bow, followed by her wand! Fortunately, three kind animals find the witch's belongings and end up taking a ride on her broomstick.
The one purpose of the personification in the above excerpt is: it makes death seem friendly and familiar. The poem "Because I Could Not Stop for Death" is about the journey of the poet towards death. She tells about the appearance of the death and her journey towards her grave.