Help with A Reading / Poem Incoparating StepFamilies xx please help x

Hi there , My sister is also getting married this year and wants some help with a poem / reading that her sixteen year old daughter can read in church. She thought it might be nice to incorparate stepfamilies into the reading and I wonder does anyone know of any readings like this or poems that would be suitable in a church wedding, any help would be grateful for Thank you in advance xxxxxx