Son of Macmars [father of John](Familial relationship)
- John, son of Macmars
- From Source
1/13/1 (Furness C.B., ii, pt. III, no. 1)
- Firm date
- Dating Notes
- This document is contemporaneous with the foundation of Rushen Abbey, which happened in 1134 (see <em>Chronicle of Man</em>, s.a. 1134). See also Watt, <em>IR</em> 45 (1994), 115.