From left to right: Carl William Holm, his father Carl Johan Holm, Carl David Holm, and his father Carl Gustav Holm. Carl Johan is Carl Gustavs uncle. They are at Pentoga Park in front of the Wigwam pavilion. There appears to be the prow of a dugout canoe on the right side of the photo.
This image came from Carol David Holms version of the Families Are Forever album.
Dust and/or other blemishes have not been removed from this version of the image.