Mum and son Sue and Dominic Beesley were winners of their own generation game.
The Boston Tennis Club duo won the national finals of the Family Championships last week.
Competing in Dudley, they beat Pamela and David McFie 6-2 6-3 in the final.
Boston’s Terry and Emma Mastin and Mike Burnett and Henry Beesley also competed.
Emma and Terry lost in the father and daughter 14 and under category in the semis to Tony and Holly Mellors.
Mike and Henry played in the father and son 14 and under event, but lost to John and James Caddies from Essex 4-6, 2-6 in the final.
In the Lincolnshire Mini Tennis leagues, Boston B narrowly beat Boston C.
Boston B’s Juan Advani, Tuula Sohngen, Javier Quevedo, Lois Boothby, Millie Alexander, Harvey Vickers, Bradley Worth and Alastair Boothby pipped Libby Alexander, Myron Baxter, Frank Deri, Devon Morgan, Rodrigo Quevedo, Matthew Dickens, Daniel Colam and Trent Hudson.
All five of the club’s veteran teams were competing in the Lincolnshire Veterans League.
In Division One, Boston’s Men – Ray Frankish, Chris Cook, James Newton and Richard Longworth - beat Grantham 8-0.
The Men’s Seconds – Peter Elphick, Richard Hart, Mike Sweeney and Geoff Presland - earned a 5-3 result against Bourne.
In Division Two, the Thirds’ Andy Clamp, Rhys Thomas, Fred Calvert and Richard Hart lost 5-3 against Louth.
Both of the ladies’ teams had 8-0 wins.
In Division Two Boston Ladies – Jenny McGarel, Rachel Gedney, Helen Cook and Mary Smura - beat Gainsborough and the Seconds - Tricia Sweeney, Joan Beale, Catherine Ellis and Claire Smith - succeeded against Horncastle, in their Division Three match.