What is the fine-grained topic of the following text: Helen was also the devoted grandmother of seven grand children (Deborah Ranicar, David Groves, Monica Reed, Kenneth Reed, Christopher Fragola, Meridith Richter, Kimberly Croteau, and great grandmother of nine, Justin Ranicar, Benjamin Ranicar, Lucas Ranicar, Kathryn Reed, Natalie Reed, Landon Richter, Caleb Richter, Bella Fragola, and Hunter Croteau. Only return the topic.
Helen's grandchildren and great-grandchildren.