Obs. [OE. fæder cyn (= ON. fǫður kyn), f. fæder, genit. of fæder FATHER + cyn KIN. OE. had also fæd(e)ren cyn, where the former word is an adj.] Descent by the fathers side.
[?]. O. E. Chron., an. 755 § 3. And hiera ryht fæder cyn gæþ to Cerdice.
[a. 1000. Crist., 248 (Gr.). Nu we areccan ne maȝon þæt fædrencynn.]
c. 1440. Promp. Parv., 145. Fadyrkyn, or modyrkyn, parentela.
1556. J. Heywood, Spider & F., xxxix. 71. From which grownd by my fatherkin I will not starte.