David Whittemore+description+*self+*children Search Toggle navigation activity Toggle Dropdown history discuss follow editors rules Toggle Dropdown common by group by name recent edit Toggle Dropdown content name type refresh children mates references out references in David Whittemore+description+*self+*children+*children Cards formed by "mating" David Whittemore+description+*self+*children with another card. eg: "David Whittemore+description+*self+*children+mate".