LULU LINDON, siblings & descendants

Searching for Lulu Lindon, b. 1889 and siblings, Addie, b. 1887, Gertie, b. 1884, and Willis, b. 1883.My grandfather, Marshall Filmore Lindon, and Lulu's father are brothers.Trying to find info on these ancestors and/or descendants.Have old photo with children's identifications.Does anyone know of these Lindons?Any reply would be appreciated.Thank you.