Symbols that can stand for siblings or family members can be a family crest, date, name or design meaningful to all parties involved. Other popular choices to represent family could be portraits and motifs.
There is no right or wrong tattoo to symbolize siblings or family. This type of tattoo is a mark of loyalty and love. The only requirement is that the design is important and relevant to the individual. Many times, siblings get tattoos together to promote unity, respect and admiration. The possibilities are endless, and the choice for what symbolizes siblings or family members is left up to the one being tattooed.