Is there a summary on Rosa by Nikki Giovanni?

Look between the lines to find the summary of the poem. If you think hard enough you will find the answer.

Nikki Giovanni is a world-renowned poet, writer, commentator, activist, and educator. Over the past thirty years, her outspokenness, in her writing and in lectures, has brought the eyes of the world...

Her sister's name is Gray Ann Giocanni and that's all the siblings that she had

Yes. Nikki Giovanni's older sister's name is Gary Ann Giovanni.

Nikki Giovanni isn't dead, she's still alive. She mostly visits colleges/universities and makes speeches or she reads excerpts from her poems.